Stack's Bowers & Ponterio
January 2022 NYINC Auction 14-16 Jan 2022
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These coins, along with contemporaneous 6 and 12 Rubles coins, are the only examples of a platinum coin ever issued for general circulation. A newly discovered element in the early 19th century, Platinum had very few usages in a pre-industrial world. Imperial Russia, when they discovered a platinum vein in Ural Mountains attempted to conserve gold by using the new element for coinage, though the poor striking quality of platinum forced minting to cease scarcely a decade after production started.
Ex: Barquera Collection.
Estimate: $2000 - $3000