The gold and silver bimetallism refers to a currency system where both gold and silver coins are designated as standard money; freedom of minting, importing and exporting such money is maintained; and fixed exchange ratio between gold and silver is maintained
金銀複本位制（きんぎんふくほんいせい）とは、金貨・銀貨両方を本位貨幣としてその鋳造と輸出入の自由を保持し、なおかつ固定化した金銀比価を保持する通貨制度のことである。