| Number | Name | Date | Kind |
|---|---|---|---|
| D201922 | Harris et al. | Aug 1965 | |
| D283033 | Berg | Mar 1986 | |
| D331418 | Winston | Dec 1992 | |
| D348898 | Nagasawa | Jul 1994 | |
| D353392 | Winston | Dec 1994 |
| Number | Date | Country |
|---|---|---|
| 2514699 | Apr 1983 | FRX |
| 0024286 | Feb 1982 | JPX |
| 2208492 | Apr 1987 | GBX |
| Entry |
|---|
| Stamp Products Resource Book 1994-1995, Clearsnap, Inc., Anacortes, WA, pp. 48 and 50. |