Banknotes of the Japanese yen
The banknotes of the Japanese yen are part of the physical form of Japan's currency. The issuance of the yen banknotes began in 1872, two years after the currency was introduced. Throughout its history, the denominations have ranged from 0.05 yen to 10,000 yen.
50 yen coin
The current design for the 50 Yen coin was first issued in 1967. The metallurgy was changed to a ratio of 75-25 copper-nickel, with the diameter of the coin reduced to 21 mm, and the weight reduced from 5.0 grams to 4.0 grams. The size of the center hole was reduced from 6 mm in diameter to 4 mm. The reverse side retained the use of a chrysanthemum motif, showing three smaller flowers flanking the center hole.