Brazil
Pedro II silver and gold Mining Exposition Medal Pair 1863, VC-Unl., Meili-71. Obv. bust of Pedro II facing left. Rev. legend. Struck for the Mining Exposition of 1863 in Ouro Preto (Minas Gerais). Engraved by Luster. Two pieces, as follows: struck in gold (About Uncirculated with minor handling marks, 37mm/37.04 grams) and silver (Mint State, 37mm/28.71 grams). The gold piece extremely rare, the silver piece very scarce and rare in this select preservation.
Estimate: 2400-2800 USD