415 - VENEZUELA: Republic, 50 centavos, 1936, PCGS graded AU55Stephen Album Rare Coins
VENEZUELA: Republic, 50 centavos, 1936, KM-L13, Cabo Blanco Leprosarium token, a lustrous example, PCGS graded AU55, ex Dr. Robert A. Rosenfeld Collec
Bidding Has ConcludedEstimate : 75.00 - 100.00
Sold for (300.00 + 60.00BP) = 360.00
Details...Bookmark
417 - AUSTRALIA: George VI, 1937-1952, AE penny, 1943-I, PCGS graded MS64 BNStephen Album Rare Coins
AUSTRALIA: George VI, 1937-1952, AE penny, 1943-I, KM-36, struck at the Bombay Mint, PCGS graded MS64 BN, ex Almer H. Orr III Collection.
Bidding Has ConcludedEstimate : 30.00 - 50.00
Sold for (45.00 + 9.00BP) = 54.00
Details...Bookmark
419 - FRENCH OCEANIA: Republic, 2 francs, 1948, PCGS graded Specimen 61Stephen Album Rare Coins
FRENCH OCEANIA: Republic, 2 francs, 1948, KM-E5, essai pattern, bas relief script, a pleasing lustrous mint state example, PCGS graded Specimen 61.
Bidding Has ConcludedEstimate : 100.00 - 150.00
Sold for (85.00 + 17.00BP) = 102.00
Details...Bookmark
420 - NEW ZEALAND: George VI, 1936-1952, AE penny, 1942, PCGS graded MS64 RBStephen Album Rare Coins
NEW ZEALAND: George VI, 1936-1952, AE penny, 1942, KM-13, Tui Bird in Kowhai tree, a wonderful mint state example! PCGS graded MS64 RB, ex Almer H. Or
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (50.00 + 10.00BP) = 60.00
Details...Bookmark
424 - NEW ZEALAND: George VI, 1936-1952, 1 florin, 1951, PCGS graded MS64Stephen Album Rare Coins
NEW ZEALAND: George VI, 1936-1952, 1 florin, 1951, KM-18, a wonderful lustrous example! PCGS graded MS64, ex Almer H. Orr III Collection.
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (110.00 + 22.00BP) = 132.00
Details...Bookmark
425 - AFGHANISTAN: Abdur Rahman, 1880-1901, AR 1/2 rupee, AH1313, PCGS graded MS63Stephen Album Rare Coins
AFGHANISTAN: Abdur Rahman, 1880-1901, AR 1/2 rupee, AH1313, KM-812, very lightly toned, one-year type, PCGS graded MS63, ex SARC Internet Auction 22,
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (55.00 + 11.00BP) = 66.00
Details...Bookmark
426 - AJMAN: Rashid bin Humaid Al Nuaimi, 1928-1981, AR 7½ riyals, 1970/AH1390, PCGS graded Proof 68 DCAMStephen Album Rare Coins
AJMAN: Rashid bin Humaid Al Nuaimi, 1928-1981, AR 7½ riyals, 1970/AH1390, KM-13, Memorial of late President Gamal Abdel Nasser, a spectacular r...
Bidding Has ConcludedEstimate : 75.00 - 100.00
Sold for (140.00 + 28.00BP) = 168.00
Details...Bookmark
427 - ALGIERS: Mahmud II, 1808-1839, AR budju, Jaza'ir, AH1237 (1822), PCGS graded AU55Stephen Album Rare Coins
ALGIERS: Mahmud II, 1808-1839, AR budju, Jaza'ir, AH1237 (1822), KM-68, Ottoman Empire, a well struck lustrous example, PCGS graded AU55.
Bidding Has ConcludedEstimate : 85.00 - 125.00
Sold for (80.00 + 16.00BP) = 96.00
Details...Bookmark
428 - BAHRAIN: Isa Bin Salman, 1961-1999, AR 5 dinars, 1995, PCGS graded MS69 DCAMStephen Album Rare Coins
BAHRAIN: Isa Bin Salman, 1961-1999, AR 5 dinars, 1995, KM-21, 50th Anniversary of the United Nations, PCGS graded MS69 DCAM.
Bidding Has ConcludedEstimate : 120.00 - 160.00
Sold for (170.00 + 34.00BP) = 204.00
Details...Bookmark
432 - BURMA: Mindon, 1853-1878, AR 1 mat (¼ rupee), CS1214 (1852-53), PCGS graded XF detailsStephen Album Rare Coins
BURMA: Mindon, 1853-1878, AR 1 mat (¼ rupee), CS1214 (1852-53), KM-8.1, a well struck example, cleaned, PCGS graded XF details.
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (65.00 + 13.00BP) = 78.00
Details...Bookmark
433 - BURMA: Mindon, 1853-1878, AR 5 mu (1/2 rupee), CS1214 (1852-53), PCGS graded VF detailsStephen Album Rare Coins
BURMA: Mindon, 1853-1878, AR 5 mu (1/2 rupee), CS1214 (1852-53), KM-9, a well struck example, cleaned, PCGS graded VF details.
Bidding Has ConcludedEstimate : 75.00 - 100.00
Sold for (75.00 + 15.00BP) = 90.00
Details...Bookmark
434 - BURMA: Mindon, 1853-1878, AE 1/4 pe, CS1227 (1865), PCGS graded VF detailsStephen Album Rare Coins
BURMA: Mindon, 1853-1878, AE 1/4 pe, CS1227 (1865), KM-18, a well struck example, environmental damage, PCGS graded VF details.
Bidding Has ConcludedEstimate : 40.00 - 60.00
Sold for (40.00 + 8.00BP) = 48.00
Details...Bookmark
435 - BURMA: Mindon, 1853-1878, AE 1/4 pe, CS1240 (1878), PCGS graded VF25Stephen Album Rare Coins
BURMA: Mindon, 1853-1878, AE 1/4 pe, CS1240 (1878), KM-25.2, well struck with a fine patina, PCGS graded VF25.
Bidding Has ConcludedEstimate : 75.00 - 100.00
Sold for (60.00 + 12.00BP) = 72.00
Details...Bookmark
438 - CAMBODIA: Ang Duong, 1841-1860, AR 1/8 tical (1.83g), ND (1847), PCGS graded EF45Stephen Album Rare Coins
CAMBODIA: Ang Duong, 1841-1860, AR 1/8 tical (1.83g), ND (1847), KM-32.1, Daniel-62a, clear flow lines, a lustrous example, PCGS graded EF45, ex Howar
Bidding Has ConcludedStart Price : 110.00 | Estimate : 125.00 - 175.00
Details...Bookmark
441 - CEYLON: Victoria, 1837-1901, AE 1/4 cent, 1901, PCGS graded MS64 RDStephen Album Rare Coins
CEYLON: Victoria, 1837-1901, AE 1/4 cent, 1901, KM-90, Y-4, a wonderful red lustrous example! PCGS graded MS64 RD, ex Almer H. Orr III Collection.
Bidding Has ConcludedStart Price : 50.00 | Estimate : 50.00 - 75.00
Details...Bookmark
443 - EGYPT: Abdul Aziz, 1861-1876, AR 10 para, Misr, AH1277 year 3 (1862), PCGS graded AU55Stephen Album Rare Coins
EGYPT: Abdul Aziz, 1861-1876, AR 10 para, Misr, AH1277 year 3 (1862), KM-243, Ottoman Empire, a better date for this type, a brilliant well struck exa
Bidding Has ConcludedEstimate : 65.00 - 100.00
Sold for (50.00 + 10.00BP) = 60.00
Details...Bookmark
444 - EGYPT: Abdul Aziz, 1861-1876, AR 10 para, AH1277 year 9 (1868), PCGS graded AU58Stephen Album Rare Coins
EGYPT: Abdul Aziz, 1861-1876, AR 10 para, AH1277 year 9 (1868), KM-243, Ottoman Empire, a well struck brilliant near mint example, PCGS graded AU58.
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (65.00 + 13.00BP) = 78.00
Details...Bookmark
445 - EGYPT: Abdul Aziz, 1861-1876, AR 20 para, Misr, AH1277 year 7 (1866), PCGS graded MS63Stephen Album Rare Coins
EGYPT: Abdul Aziz, 1861-1876, AR 20 para, Misr, AH1277 year 7 (1866), KM-247, Ottoman Empire, a lovely lustrous mint state example! PCGS graded MS63.
Bidding Has ConcludedEstimate : 75.00 - 100.00
Sold for (100.00 + 20.00BP) = 120.00
Details...Bookmark
446 - EGYPT: Abdul Aziz, 1861-1876, AR 20 para, Misr, AH1277 year 9 (1868), PCGS graded AU58Stephen Album Rare Coins
EGYPT: Abdul Aziz, 1861-1876, AR 20 para, Misr, AH1277 year 9 (1868), KM-247, Ottoman Empire, an attractive example, PCGS graded AU58.
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (65.00 + 13.00BP) = 78.00
Details...Bookmark
447 - EGYPT: Abdul Aziz, 1861-1876, AE qirsh, AH1277 year 9 (1868), PCGS graded AU58Stephen Album Rare Coins
EGYPT: Abdul Aziz, 1861-1876, AE qirsh, AH1277 year 9 (1868), KM-250, Ottoman Empire, a brilliant well struck near mint example, PCGS graded AU58.
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (75.00 + 15.00BP) = 90.00
Details...Bookmark
448 - EGYPT: Abdul Hamid II, 1876-1909, AV 10 qirsh, Misr, AH1293 year 23 (1898), PCGS graded MS63Stephen Album Rare Coins
EGYPT: Abdul Hamid II, 1876-1909, AV 10 qirsh, Misr, AH1293 year 23 (1898), KM-282, Ottoman Empire, a lovely mint state example! PCGS graded MS63.
Bidding Has ConcludedEstimate : 100.00 - 150.00
Sold for (450.00 + 90.00BP) = 540.00
Details...Bookmark
449 - EGYPT: Hussein Kamil, 1914-1917, AE 1/2 millieme, 1917/AH1335, PCGS graded MS64 RDStephen Album Rare Coins
EGYPT: Hussein Kamil, 1914-1917, AE 1/2 millieme, 1917/AH1335, KM-312, struck in the Calcutta mint, a wonderful mint state example! PCGS graded MS64 R
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (65.00 + 13.00BP) = 78.00
Details...Bookmark
450 - EGYPT: Hussein Kamil, 1914-1917, 1 millieme, 1917/AH1335, PCGS graded MS64Stephen Album Rare Coins
EGYPT: Hussein Kamil, 1914-1917, 1 millieme, 1917/AH1335, KM-313, struck in the Heaton mint, Birmingham, a wonderful mint state example! PCGS graded M
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (55.00 + 11.00BP) = 66.00
Details...Bookmark
451 - EGYPT: Fuad I, King, 1922-1936, AE 1/2 millieme, 1932/AH1351, PCGS graded MS65 RDStephen Album Rare Coins
EGYPT: Fuad I, King, 1922-1936, AE 1/2 millieme, 1932/AH1351, KM-343, struck in the Heaton mint, a superb mint state example! PCGS graded MS65 RD.
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (200.00 + 40.00BP) = 240.00
Details...Bookmark
452 - EGYPT: Fuad I, King, 1922-1936, AE 1/2 millieme, 1932/AH1351, MS64 RBStephen Album Rare Coins
EGYPT: Fuad I, King, 1922-1936, AE 1/2 millieme, 1932/AH1351, KM-343, struck at the Heaton mint, a wonderful lustrous mint state example! MS64 RB.
Bidding Has ConcludedEstimate : 40.00 - 60.00
Sold for (50.00 + 10.00BP) = 60.00
Details...Bookmark
453 - EGYPT: Fuad I, King, 1922-1936, AE millieme, 1932/AH1351, MS63 RBStephen Album Rare Coins
EGYPT: Fuad I, King, 1922-1936, AE millieme, 1932/AH1351, KM-344, struck at the Heaton mint, a lovely lustrous mint state example! MS63 RB.
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (60.00 + 12.00BP) = 72.00
Details...Bookmark
454 - EGYPT: Fuad I, King, 1922-1936, 2 milliemes, 1929/AH1348, PCGS graded MS64Stephen Album Rare Coins
EGYPT: Fuad I, King, 1922-1936, 2 milliemes, 1929/AH1348, KM-345, struck at the Budapest mint, a wonderful lustrous mint state example! PCGS graded MS
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (60.00 + 12.00BP) = 72.00
Details...Bookmark
455 - EGYPT: Fuad I, King, 1922-1936, 2 milliemes, 1929/AH1348, PCGS graded MS64Stephen Album Rare Coins
EGYPT: Fuad I, King, 1922-1936, 2 milliemes, 1929/AH1348, KM-345, struck at the Budapest mint, a superb mint state example! PCGS graded MS64.
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (55.00 + 11.00BP) = 66.00
Details...Bookmark
456 - EGYPT: Fuad I, King, 1922-1936, 2 milliemes, 1929/AH1348, PCGS graded MS63Stephen Album Rare Coins
EGYPT: Fuad I, King, 1922-1936, 2 milliemes, 1929/AH1348, KM-345, struck at the Budapest mint, a lovely lustrous mint state example! PCGS graded MS63.
Bidding Has ConcludedEstimate : 40.00 - 60.00
Sold for (45.00 + 9.00BP) = 54.00
Details...Bookmark
457 - EGYPT: Fuad I, King, 1922-1936, 5 milliemes, 1929/AH1348, PCGS graded MS65Stephen Album Rare Coins
EGYPT: Fuad I, King, 1922-1936, 5 milliemes, 1929/AH1348, KM-346, struck in the Budapest mint, a superb mint state example! PCGS graded MS65.
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (65.00 + 13.00BP) = 78.00
Details...Bookmark
458 - EGYPT: Fuad I, King, 1922-1936, 2½ milliemes, 1933/AH1352, PCGS graded MS63Stephen Album Rare Coins
EGYPT: Fuad I, King, 1922-1936, 2½ milliemes, 1933/AH1352, KM-356, struck in the British Royal mint, a lovely lustrous mint state example! PCGS...
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (40.00 + 8.00BP) = 48.00
Details...Bookmark
459 - EGYPT: Fuad I, King, 1922-1936, 2½ milliemes, 1933/AH1352, PCGS graded AU58Stephen Album Rare Coins
EGYPT: Fuad I, King, 1922-1936, 2½ milliemes, 1933/AH1352, KM-356, struck in the British Royal mint, an attractive nearly mint state example, P...
Bidding Has ConcludedStart Price : 30.00 | Estimate : 40.00 - 60.00
Details...Bookmark
462 - EGYPT: Farouk, 1936-1952, AE millieme, 1938/AH1357, PCGS graded MS63 RBStephen Album Rare Coins
EGYPT: Farouk, 1936-1952, AE millieme, 1938/AH1357, KM-358, struck at the British Royal Mint, a lovely mint state example! PCGS graded MS63 RB.
Bidding Has ConcludedStart Price : 35.00 | Estimate : 50.00 - 75.00
Details...Bookmark
464 - EGYPT: Farouk, 1936-1952, AE 5 milliemes, 1938/AH1357, PCGS graded MS63 RBStephen Album Rare Coins
EGYPT: Farouk, 1936-1952, AE 5 milliemes, 1938/AH1357, KM-360, struck in the Bombay Mint, a lovely mint state example! PCGS graded MS63 RB.
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (40.00 + 8.00BP) = 48.00
Details...Bookmark
465 - EGYPT: Farouk, 1936-1952, 5 milliemes, 1941/AH1360, PCGS graded MS64Stephen Album Rare Coins
EGYPT: Farouk, 1936-1952, 5 milliemes, 1941/AH1360, KM-363, struck in the Bombay Mint, a wonderful mint state example! PCGS graded MS64.
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (55.00 + 11.00BP) = 66.00
Details...Bookmark
466 - EGYPT: Farouk, 1936-1952, 5 milliemes, 1941/AH1360, PCGS graded MS63Stephen Album Rare Coins
EGYPT: Farouk, 1936-1952, 5 milliemes, 1941/AH1360, KM-363, struck in the Bombay Mint, a lovely mint state example! PCGS graded MS63.
Bidding Has ConcludedStart Price : 30.00 | Estimate : 50.00 - 75.00
Details...Bookmark
474 - FUJAIRAH: Muhammad b. Hamad al-Sharqi, 1952-1974, AR 2 riyals, 1970/AH1389, PCGS graded Proof 68 DCAStephen Album Rare Coins
FUJAIRAH: Muhammad b. Hamad al-Sharqi, 1952-1974, AR 2 riyals, 1970/AH1389, KM-2, Nixon, a spectacular reflective proof state example! PCGS graded Pro
Bidding Has ConcludedEstimate : 75.00 - 100.00
Sold for (110.00 + 22.00BP) = 132.00
Details...Bookmark
480 - IRAN: Mohammad Reza Shah, 1941-1979, AR 25 rials, 1971/SH1350, PCGS graded Proof 67 DCAMStephen Album Rare Coins
IRAN: Mohammad Reza Shah, 1941-1979, AR 25 rials, 1971/SH1350, KM-1184, 2500th Anniversary of the Persian Empire - Artaxerxes Palace column, struck at
Bidding Has ConcludedEstimate : 75.00 - 100.00
Sold for (80.00 + 16.00BP) = 96.00
Details...Bookmark
482 - IRAN: Mohammad Reza Shah, 1941-1979, AR 75 rials, 1971/SH1350, PCGS graded Proof 62 DCAMStephen Album Rare Coins
IRAN: Mohammad Reza Shah, 1941-1979, AR 75 rials, 1971/SH1350, KM-1186, 2500th Anniversary of the Persian Empire - Stone of Cyrus II, struck at the Ro
Bidding Has ConcludedEstimate : 90.00 - 120.00
Sold for (70.00 + 14.00BP) = 84.00
Details...Bookmark
483 - IRAQ: Faisal I, 1921-1933, AR 20 fils, 1931/AH1349, PCGS graded AU58Stephen Album Rare Coins
IRAQ: Faisal I, 1921-1933, AR 20 fils, 1931/AH1349, KM-99, two-year type, a well struck lustrous near mint state example, PCGS graded AU58.
Bidding Has ConcludedEstimate : 75.00 - 100.00
Sold for (650.00 + 130.00BP) = 780.00
Details...Bookmark
484 - IRAQ: Faisal I, 1921-1933, AR 50 fils, 1931/AH1349, PCGS graded AU53Stephen Album Rare Coins
IRAQ: Faisal I, 1921-1933, AR 50 fils, 1931/AH1349, KM-100, a well struck lustrous example, PCGS graded AU53.
Bidding Has ConcludedEstimate : 75.00 - 100.00
Sold for (140.00 + 28.00BP) = 168.00
Details...Bookmark
485 - IRAQ: Ghazi I, 1933-1939, 10 fils, 1938/AH1357, PCGS graded AU58Stephen Album Rare Coins
IRAQ: Ghazi I, 1933-1939, 10 fils, 1938/AH1357, KM-103, struck in nickel, a well struck lustrous near mint state example, PCGS graded AU58.
Bidding Has ConcludedEstimate : 75.00 - 100.00
Sold for (160.00 + 32.00BP) = 192.00
Details...Bookmark
486 - ISRAEL: Republic, 25 mils, JE5709 (1949), PCGS graded MS62Stephen Album Rare Coins
ISRAEL: Republic, 25 mils, JE5709 (1949), KM-8, Hafner-P2a, closed link variety, struck in Jerusalem, PCGS graded MS62.
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (60.00 + 12.00BP) = 72.00
Details...Bookmark
489 - JAPAN: Meiji, 1868-1912, AE sen, year 21 (1888), PCGS graded MS62 BNStephen Album Rare Coins
JAPAN: Meiji, 1868-1912, AE sen, year 21 (1888), Y-17, JNDA-01-46, some mint red color, PCGS graded MS62 BN.
Bidding Has ConcludedStart Price : 45.00 | Estimate : 75.00 - 100.00
Details...Bookmark
490 - JAPAN: Meiji, 1868-1912, AE sen, year 21 (1888), PCGS graded MS63 RBStephen Album Rare Coins
JAPAN: Meiji, 1868-1912, AE sen, year 21 (1888), Y-17.2, JNDA-01-46, a lovely sunset orange toned lustrous mint state example! PCGS graded MS63 RB.
Bidding Has ConcludedEstimate : 75.00 - 100.00
Sold for (65.00 + 13.00BP) = 78.00
Details...Bookmark
491 - JAPAN: Meiji, 1868-1912, 5 sen, year 31 (1898), PCGS graded MS64Stephen Album Rare Coins
JAPAN: Meiji, 1868-1912, 5 sen, year 31 (1898), Y-21, JNDA-01-37, a wonderful mint state example! PCGS graded MS64.
Bidding Has ConcludedEstimate : 70.00 - 90.00
Sold for (50.00 + 10.00BP) = 60.00
Details...Bookmark
492 - JAPAN: Taisho, 1912-1926, 5 sen, year 9 (1920), PCGS graded MS66Stephen Album Rare Coins
JAPAN: Taisho, 1912-1926, 5 sen, year 9 (1920), Y-43, JNDA-01-39, small type, a fantastic lustrous mint state example! PCGS graded MS66.
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (35.00 + 7.00BP) = 42.00
Details...Bookmark
493 - JAPAN: Taisho, 1912-1926, 5 sen (small type), year 9 (1920), PCGS graded MS66Stephen Album Rare Coins
JAPAN: Taisho, 1912-1926, 5 sen (small type), year 9 (1920), Y-44, JNDA-01-39, brilliant luster, PCGS graded MS66.
Bidding Has ConcludedEstimate : 30.00 - 50.00
Sold for (30.00 + 6.00BP) = 36.00
Details...Bookmark
494 - JAPAN: Taisho, 1912-1926, 5 sen, year 10 (1921), PCGS graded MS67Stephen Album Rare Coins
JAPAN: Taisho, 1912-1926, 5 sen, year 10 (1921), Y-44, JNDA-01-39, small type, a fantastic lustrous mint state example! PCGS graded MS67.
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (55.00 + 11.00BP) = 66.00
Details...Bookmark
495 - JAPAN: Taisho, 1912-1926, 5 sen, year 12 (1923), PCGS graded MS66Stephen Album Rare Coins
JAPAN: Taisho, 1912-1926, 5 sen, year 12 (1923), Y-44, JNDA-01-39, small type, a fantastic lustrous mint state example! PCGS graded MS66.
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (30.00 + 6.00BP) = 36.00
Details...Bookmark
496 - JAPAN: Showa, 1926-1989, 10 sen, year 2 (1927), PCGS graded MS66Stephen Album Rare Coins
JAPAN: Showa, 1926-1989, 10 sen, year 2 (1927), Y-49, JNDA-01-27, a fantastic lustrous mint state example! PCGS graded MS66.
Bidding Has ConcludedEstimate : 50.00 - 75.00
Sold for (60.00 + 12.00BP) = 72.00
Details...Bookmark
500 - KHWAREZM: People's Soviet Republic, AE 500 roubles (5.13g), Khwarezm, AH1339 (1921), PCGS graded AU5Stephen Album Rare Coins
KHWAREZM: People's Soviet Republic, AE 500 roubles (5.13g), Khwarezm, AH1339 (1921), A-3089T, Y-19.1, NS-X84A, narrow flan type, usual adjustmen...
Bidding Has ConcludedEstimate : 75.00 - 100.00
Sold for (190.00 + 38.00BP) = 228.00
Details...Bookmark