Stamps of Palau, May of any year
51 to 100 of 492
postage
1990, May 3 Prince Lee Boo's Visit from Palau to England issue unwmk p. 14 (9 stamps)
1990, May 6 150th Anniversary of world;s first postage stamp issue
| - | $1 | multi | Penny Black | — | — |
1991, May 24 Pacific Marine Life 1991 issue - Pacific Marine Life (1991) (19 stamps)
1992, May 25 Age of Discovery from Columbus to Drake issue (20 stamps)
| - | 29c | multi | Columbus | |||
| - | 29c | multi | Magellan | |||
| - | 29c | multi | Drake | |||
| - | 29c | multi | Wind as shown on old maps | |||
| - | 29c | multi | compass rose | |||
| - | 29c | multi | dolphin Drake’s ship Golden Hinde | — | — | |
| - | 29c | multi | corn Santa Maria | — | — | |
| - | 29c | multi | fish | — | — | |
| - | 29c | multi | Betel palm cloves | — | — | |
| - | 29c | multi | Victoria shearwater | — | — | |
| - | 29c | multi | white-tailed tropicbird | — | — | |
| - | 29c | multi | compass | — | — | |
| - | 29c | multi | Sea monster | — | — | |
| - | 29c | multi | Paddles & astrolabe | — | — | |
| - | 29c | multi | Parallel ruler | — | — | |
| - | 29c | multi | Back staff | — | — | |
| - | 29c | multi | Wind | — | — | |
| - | 29c | multi | Amerigo Vespucci | |||
| - | 29c | multi | Francisco Pizarro | |||
| - | 29c | multi | Vasco Nunez |
1995, May 18 Research and Experimental Jet Propelled Aircraft issue
| - | $2 | multi | — | — |
51 to 100 of 492