Definition of "tetradrachm" []

• A silver coin in Ancient Greece, equivalent to four drachms. (noun)

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• "Roman tetradrachm and denarius coins restamped by Jewish rebels"
• "A rare tetradrachm from Gela, estimated at $1500 and previously sold at $2000, was snapped up by a lucky (or astute) bidder for $901."
• "A tetradrachm of Tranquillina sold for $301 at double the estimate."