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

Bogota, Colombia, 20 centavos, 1945-B, struck on 10-centavos planchet error, NGC Mint Error MS 64. Restrepo-389.2; KM-208.1. 2.54 grams. Full central

Colombia (struck in London), copper-nickel 1 peso, 1967, struck 5% off-center error, NGC Mint Error MS 63. Restrepo-427.1; KM-229. Ample cartwheel lu

Colombia, nickel-plated steel pattern for 1 peso, 1969, plain edge, NGC MS 63. Restrepo-P326. More accurately graded as a Specimen than the Mint Stat

Colombia, nickel-plated steel proof pattern for 1 peso, 1969, NGC UNC details / cleaned. Restrepo-P328. More accurately graded as a Specimen than the

Colombia, nickel-plated steel pattern for 1 peso, 1969. Restrepo-P328 (var). 8.42 grams. Steely gray AU with some hairlines and areas with surface por

Colombia, nickel-clad steel 50 centavos, 1978, multistruck with brockage on reverse error, NGC Mint Error MS 66. Restrepo-424.9; KM-244.1. Obvious er

Colombia, 20 centavos, 1971, divided legend, struck on a copper-nickel 10-centavos planchet error, NGC Mint Error MS 63. Restrepo-396.2; KM-245. 2.48

Colombia, nickel-clad steel 20 centavos, 1972, struck 15% off-center error, NGC Mint Error MS 63. Restrepo-397.3; KM-246.1. Struck a bit off-center w

Colombia, 20 centavos, 1975, struck on a copper-clad steel 5 centavos planchet error, NGC Mint Error AU 55 BN. Restrepo-397.7; KM-246.1. 3.08 grams. B

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 ...