| Number | Name | Date | Kind |
|---|---|---|---|
| 1795967 | Read | Mar 1931 | A |
| 2606708 | Irvan | Aug 1952 | A |
| 2643762 | Neilsen | Jun 1953 | A |
| 2954120 | Norcross | Sep 1960 | A |
| 3534862 | Shambelan | Oct 1970 | A |
| 3850296 | Hirata et al. | Nov 1974 | A |
| 4234080 | Gellert | Nov 1980 | A |
| 4235338 | Dugan et al. | Nov 1980 | A |
| 4679689 | Blome | Jul 1987 | A |
| 4715492 | Holmes | Dec 1987 | A |
| 6085910 | Holmes | Jul 2000 | A |
| Entry |
|---|
| Coin Collecting 2000 Products Catalogue pp. 3-31. |