Part of a 2005 proof mint set.
Obverse: Gold-plated and features a paulownia.
Lettering: 2000
Reverse:1874 1 Yen coin (Y# A25), the first coin that was minted for the Far East.
Lettering: 年 八 治 明 · 本 日 大
· 416 ·ONE YEN · 900 ·
Translation: Great Japan · Year 8 of Meiji
· 416 · One yen · 900 ·