Sedwick's Treasure, World & U.S. Coin Auction 31

Colombia, nickel-clad steel 10 centavos, 1972, struck 15% off-center error, NGC Mint Error AU 58. Restrepo-384.1; KM-253. Lustrous surfaces with ligh

Colombia, copper-clad steel 5 centavos, 1972, struck 15% off-center error, NGC Mint Error MS 65 BN. Restrepo-372.6; KM-206a. Choice, original copper

Colombia, copper-clad steel 5 centavos, 1978, die-cap error with the two halves separate, NGC Mint Error MS 62 RB and Mint Error MS 63 RB. Restrepo-37

Costa Rica (Central American Republic), gold 1/2 escudo, 1846 JB, CREZCA. KM-13.1. 1.56 grams. Bold but off-center AU with traces of rainbow toning an

Costa Rica, proof 20 colones, 1970, Venus de Milo. KM-193. 43.43 grams. Large coin with deep mirror fields and heavily frosted design, faint purple to

Costa Rica, aluminum 25 centimos, 1989, partial collar, NGC Mint Error MS 64. KM-188.3. Bright as-made surfaces, partial second rim seen along revers

Costa Rica (struck at the Philadelphia Mint), stainless steel 10 centimos, 1958, struck 10% off-center, NGC Mint Error MS 63. KM-185.1a. Mild off-cen

Costa Rica, nickel clad steel 10 centimos, 1979, struck 10% off-center, NGC Mint Error MS 63. KM-185.2b. Slightly off-center striking with an interes

Costa Rica, nickel clad steel 10 centimos, 1979, struck 20% off-center, NGC Mint Error UNC details / reverse wheel mark. KM-185.2b. Brilliant flashy

Costa Rica, copper-nickel 5 centimos, 1969, struck 25% off-center, NGC Mint Error MS 64. KM-184.2. Egregious centering error, lustrous surfaces with

Cuba (struck at the Philadelphia mint), 1 peso ("ABC peso"), 1937, NGC UNC details / rev cleaned. KM-22. Bright surfaces with faint gold ...

Danish West Indies, 20 cents, Christian IX, 1879, NGC UNC details / cleaned. KM-71. Very lustrous surfaces and somewhat mirror-like with light surfac

Santo Domingo, Dominican Republic, copper 4 maravedis, Charles-Joanna, assayer F to left, denomination oIIII to right, mintmark S (retrograde) to left

Santo Domingo, Dominican Republic, copper 4 maravedis, Charles-Joanna, assayer F to left, denomination oIIII to right, mintmark S (retrograde) to left

Santo Domingo, Dominican Republic, copper 4 maravedis, Charles-Joanna, assayer F to left, denomination oIIII to right, mintmark S (retrograde) to left

El Salvador, 2 reales, arms countermark (Type V, 1869) on pillars side of a Lima, Peru, cob 2 reales, 1748 V. KM-unl. 5.44 grams. Lightly struck and c

El Salvador, 1 real, arms countermark (Type V, 1868) on reverse of a Lima, Peru, bust 1 real, 1777 MI. KM-unl. 2.83 grams. Complete Fine+ countermark

El Salvador, 1 real, arms countermark (Type V, 1868) on reverse of a Potosi, Bolivia, bust 1 real of Charles III, assayer PR. KM-47. 2.87 grams. Crude

El Salvador, 1 real, arms countermark (Type V, 1869) on cross side of a Lima, Peru, cob 1 real, 1736 (N). KM-unl. 2.34 grams. Choice full VF counterma

El Salvador, 1 real, arms countermark (Type V, 1868) on pillars side of a Mexico City, Mexico, 1 real, Charles-Joanna, "Late Series" assay...