Mannen Tsūhō; ancient Japanese coin first minted in 760 CE
Historical term for a specific copper coin issued during the Nara period. Used in discussions of Japanese numismatics and history.
The Mannen Tsūhō is one of the oldest Japanese coins, minted in 760.
The name 万年通宝 (Mannen Tsūhō) literally means 'currency of ten thousand years', reflecting a wish for long-lasting circulation. The exact derivation is uncertain; it is a historical coin name from the Nara period.