Bronze.
Size 55 mm.
Thickness 3.9 mm.
Weight 59.5 g.
Obverse
創立五十年記念 - 50th Anniversary of Founding Commemorative
造幣局 - Mint
reverse
大正十年四月四日 - April 4, 1921
Size 55 mm.
Thickness 3.9 mm.
Weight 59.5 g.
Obverse
創立五十年記念 - 50th Anniversary of Founding Commemorative
造幣局 - Mint
reverse
大正十年四月四日 - April 4, 1921