Japan, 1955 AD., Hirohito (Showa era), 50 Yen, KM Y 75.

Japan, Hirohito (Showa era), dated year 30 of the Showa era = 1955 AD.,
50 Yen (ø 25 mm / 5,55 g), nickel (magnetic), 5,50 g. theor. mint weight, mintage 63.700.000 , axes medal alignment ↑↑ (0°), reeded edge,
Obv.: 日本国 / 五十 円 , ("Country Japan / fifty yen") chrysanthemum blossom, issuer above, value in Japanese below.日本 = Japan
Rev.: 昭和 / 50 / 三十年 , value (in big western numerals) within centre design, regnal era on top, date on bottom.
KM Y 75 .

Year (western) / Mintage / Japanese era and date legends
30 (1955) 63.700.000 三十年
31 (1956) 91,300,000 三十一年
32 (1957) 39,000,000 三十二年
33 (1958) 18,000,000 三十三年