| 1969 | 1969 | 1969 | 1975 |
 |
 |
 |
 |
| SG F218 | SG F219 | SG F220 | SG F263 |
| Scott 192 | Scott 193 | Scott 194 | Scott 237 |
| 1977 | 1977 | 1978 | 1981 | 1986 |
 |
 |
 |
 |
 |
| SG F282 | SG F283 | SG F291 | SG F316 | SG F386 |
| Scott 256 | Scott 257 | Scott 265 | Scott 291 | Scott 348 |
| Proof |
| 1988 | 1991 | 1998 | 1998 |
 |
 |
 |
 |
| SG F415 | SG F445 | SG F537 | SG F538 |
| Scott 369 | Scott 409 | Scott 491 | Scott 492 |
| 1998 | 2001 | 2006 |
 |
 |
 |
| SG F549 | SG F583 | SG F671 |
| Scott 503 | Scott 535 | Scott 616 |