Please have a look at the link below.
| The subtle differences in coins. | 5 Yen | 1994 | |
| 10 Yen | 1971 | ||
| 100 Yen | |||
| 500 Yen |
| Current coins | 1 Yen | Aluminum 1955- | ||
| 5 Yen | Parliament 1948-1949 | Kaisho 1949-1958 | Gothic 1959- | |
| 10 Yen | Milled edge 1951-1958 | plain edge 1959- | ||
| 50 Yen | Nickel,Solid 1955-1958 | Nickel,Hold 1959-1966 | Cupronickel 1967- | |
| 100 Yen | PhoenixSilver 1957-1958 | RiceSilver 1959-1966 | Cupronickel 1976- | |
| 500 Yen | Cupronickel 1982-1999  | Nickel-brass 2000-2021  | Bicolor clad 2021- |
| Mint Set | Year of Issue | Japanese zodiac |
| Mint set 1989 | 1989 | Snake |
| Mint set 2006 | 2006 | Dog |