Stamps of Palau, 1991, missing cat val
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postage
1991, Apr 28 100th Anniversary of Christianity in Palau Islands issue unwmk p. 14.25
| - | 29c | multi | Pope John Paul II | — | — |
1991, May 24 Pacific Marine Life 1991 issue - Pacific Marine Life (1991) p. 14
| - | 1234 | — | — |
1991, Sep 17 Conservation and Cultivation of Giant Clams issue (5 stamps)
1991, Nov 6 25th Anniversary of Presence of United States Peace Corps in Palau issue p. 13.5 (6 stamps)
| - | 29c | multi | — | — | ||
| - | 29c | multi | — | — | ||
| - | 29c | multi | — | — | ||
| - | 29c | multi | — | — | ||
| - | 29c | multi | — | — | ||
| - | 29c | multi | — | — |
1991, Nov 19 PHILANIPPON '91 issue p. 14
| - | $1 | multi | — | — |
1991, Dec 6 Pacific Theatre in Second World War issue p. 14.75x15 (10 stamps)
| - | 20c | multi | Pearl Harbor attack begins | — | — | |
| - | 20c | multi | "Nevada" | — | — | |
| - | 20c | multi | USS Shaw explodes | — | — | |
| - | 20c | multi | Akagi | — | — | |
| - | 20c | multi | "Wasp" | — | — | |
| - | 20c | multi | Battle of the Philippine Sea | — | — | |
| - | 20c | multi | US landing craft approach Saipan | — | — | |
| - | 20c | multi | US 1st Cavalry on Leyte | — | — | |
| - | 20c | multi | Battle of Bloody Nose Ridge Peleliu | — | — | |
| - | 20c | multi | US troops land on Iwo Jima | — | — |
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