1843. Potosí, Bolivia, 20 centavos-sized silver medal, late 1800s, Fredes, ex-Derman. 4.6 grams. Obverse with bust of Minerva or Athena in helmet with legend VIRTUD INJENIO I TRABAJO; reverse with COLEJIO DE J. NEPOMUCENA FREDES inside laurel wreath; bold, lustrous XF/AU, probably made in Europe. Pedigreed to the Alberto “Coco” Derman collection (Cayón auction of December 2007, with original lot-tag #682). Estimate: $100-$150.
1846. Potosí, Bolivia, 50 centavos silver medal, 1906, Montes, ex-Derman. 11.5 grams. Obverse of 50c (coat-of-arms inside legend REPUBLICA BOLIVIANA); reverse with ADMINISTRACION DEL EXMO. DR. ISMAEL MONTES inside legend INSTALACION DE MAQUINARIA POTOSÍ AG(OS)TO 6 DE 1906; lustrous AU with small hole at top. Pedigreed to the Alberto “Coco” Derman collection (Cayón auction of December 2007, with original lot-tag #619). Estimate: $150-$225.
1844. Potosí, Bolivia, 20 centavos-sized silver medal,1893, Pulacayo, ex-Derman. Ulex- 3614. 4.9 grams. Obverse with national arms inside legend PULACAYO BOLIVIA; reverse with cornucopia and crossed hammers with legend DE AGOSTO DE 1893; brightly lustrous Mint State with very minor marks. Pedigreed to the Alberto “Coco” Derman collection (Cayón auction of December 2007, with original lot-tag #594). Estimate: $100-$150.
1847. Potosí, Bolivia, 50 centavos silver medal, 1935, Chaco, ex-Derman. 10.3 grams. Obverse of 50c (coat-of-arms inside legend REPUBLICA BOLIVIANA); reverse with crossed muskets below CHACO K 7 and above 1932–35, all inside legend ASOC. DETAL DE EX – COMBTES *** POTOSÍ ***; lightly toned XF with good details but weak reverse rim and loop removed from top. Pedigreed to the Alberto “Coco” Derman collection (Cayón auction of December 2007, with original lot-tag #645). Estimate: $150-$225.
1845. Potosí, Bolivia, 50 centavos-sized silver medal with bow-shaped hanger, 1896, Baptista, ex-Derman. 16.7 grams. Obverse with national arms inside legend CERTAMEN NACIONAL 6 DE AGOSTO * BOLIVIA *; reverse with bust of Baptista above HONOR AL MERITO with legend GOBIERNO CONSTITUCIONAL DEL D. MARIANO BAPTISTA 1896; problem-free XF+ with light toning. Pedigreed to the Alberto “Coco” Derman collection (Cayón auction of December 2007, with original lot-tag #610). Estimate: $100-$150.
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Want to see your collection sold like this? Consign to our Treasure, World & U.S. Coin Auction #14 (fall, 2013).
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