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

Costa Rica, nickel 10 colones, 1975, 25th anniversary of the Central Bank, struck with filled dies, NGC Mint Error. KM-204. Full central design inclu

Costa Rica, nickel 5 colones, 1975, 25th anniversary of the Central Bank, broadstruck, NGC Mint Error MS 66. KM-203. Highly lustrous and choice, with

Costa Rica, nickel 5 colones, 1975, 25th anniversary of the Central Bank, struck 15% off-center, NGC Mint Error MS 65. KM-203. Lustrous and virtually

Costa Rica, nickel 5 colones, 1975, 25th anniversary of the Central Bank, obverse struck through, NGC Mint Error MS 63. KM-203. Lustrous and well-det

Costa Rica, stainless steel 5 colones, 1983, die adjustment strike, NGC Mint Error. KM-214.1. Clear reverse but very weak obverse, basically struck d

Costa Rica, stainless steel 5 colones, date not visible (1983-93), struck 45% off-center, NGC Mint Error MS 65. KM-214.1. Flashy with brilliant luste

Costa Rica, copper-nickel 2 colones, 1978, double struck with very off-center second strike, NGC Mint Error UNC details / reverse wheel mark. KM-187.2

Costa Rica, copper-nickel 1 colon, 1970, struck on a 50 centimos blank, NGC Mint Error MS 64. KM-186.2. 7.19 grams. Good luster with hint of golden to

Costa Rica, copper-nickel 1 colon, date not visible (1975-76), reverse half of split planchet, NGC Mint Error MS 62. KM-186.4. 5.32 grams. Very lightl

Costa Rica, aluminum 25 centimos, 1986, struck 15% off-center, NGC Mint Error MS 62. KM-188.3. Lustrous and fully detailed, the perfect balance of an

Costa Rica, aluminum 25 centimos, 1989, struck 10% off-center, NGC Mint Error MS 65. KM-188.3. Decent luster, no marks, deep strike, another perfect

Costa Rica, aluminum 25 centimos, 1989, struck 15% off-center, NGC Mint Error MS 64. KM-188.3. Choice luster with bagmarks on reverse, deep strike, a

Costa Rica, brass 10 centimos, 1947, struck 10% off-center, NGC Mint Error XF details / damaged, cleaned. KM-180. Slightly crude, with minor laminati

Costa Rica (struck at the Philadelphia Mint), stainless steel 10 centimos, 1958, struck 25% off-center, NGC Mint Error MS 64. KM-185.1a. Flashy with

Costa Rica, nickel clad steel 10 centimos, 1979, struck 35% off-center, NGC Mint Error UNC details / reverse wheel mark. KM-185.2b. Brightly lustrous

Costa Rica, brass 5 centimos, date not visible (ca. 1942-47), reverse die cap, NGC Mint Error MS 64. KM-179. Choice bold reverse with lovely rainbow

Costa Rica, stainless steel 5 centimos, 1967, struck 15% off-center, NGC Mint Error MS 65. KM-184.1a. Frosty with luster and devoid of marks, appeali

Costa Rica, copper-nickel 5 centimos, 1969, struck 25% off-center, NGC Mint Error MS 65. KM-184.2. Good luster but with a few bagmarks and carbon spo

Costa Rica, copper-nickel 5 centimos, 1978, struck 30% off-center, NGC Mint Error UNC details / obverse wheel mark. KM-184.2. Choice luster and clean

Santa Maria del Rosario, Cuba, 2R-sized proclamation medal, Isabel II, 1834, Juan Nepomuceno Montero, by Picard y Jaren. Fonrobert-7745; Herrera-53; M