50 yen coin
Refers specifically to the Japanese 50-yen coin, which has a central hole.
I used a 50 yen coin at the vending machine.
There are many 50 yen coins in my wallet.
100 yen coin; similar in shape but higher value.
500 yen coin; larger and heavier, with a different design.
Standard kanji spelling.
Common abbreviation using Arabic numerals.
Uncommon variant using 〇 for zero.
Compound of 五十 (fifty), 円 (yen), and 玉 (coin, ball).