| Issuer | Japan |
|---|---|
| Emperor | Kōmei (1846-1867) |
| Type | Standard circulation coins |
| Years | 1859-1868 |
| Value | 1 Bu (¼) |
| Currency | Ryō (1595-1874) |
| Composition | Silver (.873) |
| Weight | 8.62 g |
| Size | 23 × 16.5 mm |
| Thickness | 2.6 mm |
| Shape | Rectangular (irregular) |
| Technique | Hammered, Countermarked |
| Orientation | Medal alignment ↑↑ |
| Demonetized | Yes |
| Number | N# 55953 |
| References | C# 16a, JNDA# 09-52, DHJ# 9.82, JC# 04-7 |
Incuse stamp 定 (= Jo) over 4 kanji in rectangle surrounded by 20 sakuras (cherry blosoms) one of them inverted.
Bottom left 2 strokes of 是 don't cross.
Script: Chinese (traditional, regular script)
Lettering:
定
常銀
是㘴
Translation:
Guaranteed
Ginza (Silver Mint)
Jōze (Mint Official)
3 vertical kanji in rectangle surrounded by 20 sakuras (cherry blosoms) one of them inverted
Script: Chinese (traditional, regular script)
Lettering:
一
分
銀
Translation: 1 Bu Silver
Vertical reeding on short sides with 2-3 incuse stars
slanted reeding on long sides with 3 incuse stars
Explanation for the varieties Aa, Ab, Ac, … Gg:
The drawing, left, shows the positions of sakuras A, B, C, … G and a, b, c, … g.
The pictures, right, show two real coin examples with varieties Da and Cf (obverses left, reverses right).
Explanation for the varieties Za..Zf:
‘Z’ indicates that all sakuras on the obverse are in normal position, a..f indicate inverted sakuras as in the drawing above.