1 Bu Gin Tempo silver coin from the Edo Period. No date, but minted between 1837 and 1854.
Measures 23.95×16.82×2.48mm and weighs 8.57g. It is made of .991 silver.
Mintage stated as 78,916,556.
Obverse: Incuse stamp 定 (= Jo) over 4 kanji characters in a rectangle surrounded by 20 sakuras (cherry blossoms). Lettering: 定 – Guaranteed, 常銀 – Ginza (Silver Mint), and 是座 – Joze (Mint Official).
Reverse: 3 vertical kanji characters in a rectangle surrounded by 20 sakuras (cherry blossoms). Lettering: 一分銀 – 1 Bu Silver. Note that one cherry blossom on each side is inverted, but not in the same place.