IMAGE AS PAR  SCAN  ...............The Japan Mint issued Japanese Yen coins in 7 different denominations, including this 1 Japanese Yen coin. They are part of the Japanese Yen coins series. The Japan Mint started issuing these 1 Japanese Yen coins in 1955. They are currently still in circulation.

This Japanese silver-colored 1 yen coin measures 20mm across and weighs 1g. It is made of aluminium and can float on water. The word ‘Nippon’ is inscripted on the lightweight coin”.