noun
500 yen coin
Refers specifically to the 500-yen coin, the highest denomination coin in Japan.
自動販売機で五百円玉を使った。
I used a 500 yen coin at the vending machine.
Common variant using Arabic numerals.
Mixed numeral-kanji spelling; less common but understandable.
Compound of 五百 (ごひゃく, 'five hundred'), 円 (えん, 'yen'), and 玉 (だま, 'coin, ball').