| Japan | |
| Value | 1 Japanese yen |
|---|---|
| Mass | 1 g |
| Diameter | 20 mm |
| Thickness | 1.5 mm |
| Edge | Smooth |
| Composition | 100% Al |
| Years of minting | 1955–present |
| Obverse | |
| Design | "1" in a circle with year of issue in kanji |
| Design date | 1955 |
| Reverse | |
| Design | young tree |
| Design date | 1955 |
The 1 yen coin is currently the smallest denomination of Japanese yen. It has been in use since 1887 [1]. The current design was first minted in 1955.[2]
Contents |
The first one-yen coin was introduced in 1887 as a 90% silver coin. Its obverse featured a dragon and the coin's name in Japanese and English. The reverse had a Japanese symbol within a wreath with a chrysanthemum, a symbol of the Japanese Imperial Family above. It was minted until 1912 and a version with a change in the Japanese inscription was minted only in 1914 [3].
The front of the coin has the figure "1" in a circle with the year of issue in kanji below and the reverse side has a young tree, intended to symbolize the healthy growth of Japan.[2]
Since all 1 yen coins weigh 1 gram, they are sometimes used as weights. If placed carefully, 1 yen coins will not break surface tension and can float in water.
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