large silver coin

大型銀貨／ large-silver-coin　—　Making

A silver coin big enough to feel heavy in the palm.

Decadrachm of Syracuse — A photograph of what this word names.

Grosso of Enrico Dandolo — A photograph of what this word names.

A format that could only be produced once large quantities of silver became available from mines. By giving a single coin a value comparable to a gold coin, it enabled high-value transactions even in countries that did not possess gold.