Russia
Catherine II 15 Kopecks 1784 CПБ AU55 NGC, St. Petersburg mint, Bitkin-442, KM-C62c. Catherine's portrait is a bit softly struck, but few flaws are noted and the luster is nearly full. The 4 of the date is definitely over another number, exactly what the buyer can determine after closer study.
Estimate: 400-500 USD