large silver coin
大型銀貨 / large-silver-coin — Making
A silver coin big enough to feel heavy in the palm.
Decadrachm of SyracuseLate 5th century BC
Syracusan dekadrachmBC 405–380
Grosso of Enrico Dandolo1192–1205
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.