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postage
1943, Feb Amazon discovery 400th issue unwmk (no perf info)
| X | 25c | Discovery of the Amazon River |
1952 1952 issue
| X | 25c | rosered | engineering school |
1956, Jul 25 Jimenez visit issue
| X | 25c | brn |
1957 1957 de la Rue issue
| X | 25c | grn | — | — |
airmail
1936 1936 air issue
| X | 25c | mag | Jorge Chávez |
1936, Jun 26 1936 provisional air issue ovpted p. 12.5
| X | 25c on 80c | blk | Aircrafts over Andean Canyon | — | — |
1936, Nov 4 ovpted (no perf info)
| X | 25c on 5s | brn | biplane over mountains |
1937, Sep 15 Inter-American aviation conference issue
| X | 25c |
1938, Jul 1 1938 air issue
| X | 25c | scar |
1938, Dec 9 8th Pan-American Conference issue
| - | 25c | ultra | Torre-Tagle Palace |
1951 ovpted
| - | 25c on 30c | org | Ica river dam |
1957, Dec 1 Peru stamps 100th issue
| - | 25c | yel & bl | 1d Stamp Of 1860 |
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