1 Sen - Shōwa (1941 - 1943)
Features
| Denomination | 1 Sen |
| Catalog Number | Y# 59 |
| Weight (g) | 0.65 |
| Diameter (mm) | 16 |
| Thickness (mm) | 1.52 |
| Shape: | Round |
| Composition: | Aluminum |
| Not Magnetic | |
| Orientation | Medal orientation ↑↑ |
| Demonetized | |
| Demonetized | 1953-12-31 |
| Calendar | Japanese (Shōwa) |
Obverse
Lettering:
· 本 日 大 ·
一
年 八 十 和 昭
· 本 日 大 ·
一
年 八 十 和 昭
Reverse
Lettering:
錢 一
錢 一
| Year | Mintage | Comment | Rarity |
|---|---|---|---|
| 16 (1941) | 1,016,620,734 | Very Common | |
| 17 (1942) | 119,709,832 | Very Common | |
| 18 (1943) | 1,163,949,434 | Very Common |


