1959 - 1966 Attractive Japanese 50 Yen Holed Yen Coin.

The 50 yen coin (五十円硬貨, Gojū-en kōka) is a denomination of Japanese yen. These coins were first minted in 1955, and concurrently circulated alongside a banknote denomination of the same amount. 50 yen notes were eventually pulled from circulation shortly before the center of the 50 yen coin was holed. The first yen coins were made of pure nickel and slightly larger than the ones used today. Changes to the 50 yen coin were made in response to events surrounding the 100 yen coin. The public wanted a different looking 50 yen coin while the mint wanted to stay consistent with the material used to make the coins. The current design was first minted in 1967 using Cupronickel rather than pure nickel.[1] The 50 yen coin continues to be minted for commerce, and is a collectible among hobbyists