51 to 53 of 53
postage
1987, May 25 500th Anniversary of Discovery of America by Columbus issue unwmk (no perf info)
| - | 25ch | multi | — | — |
1993, May 2 paintings (1993 Bhutan)
| - | 25ch | multi | "The Writer" - Vittore Carpaccio | .20 | .20 |
1997, Jan 15 insects and spiders (1997)
| - | 25ch | multi | Lucanus cervus | .20 | .20 |
51 to 53 of 53