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postage
1917 1917a issue wmk. SERVICIO POSTAL DE LOS ESTADOS UNIDOS MEXICANOS p. roul 14.5
| X | 1c | gray | — | — |
1975, Nov 28 Exporta 1975 issue wmk. MEX & eagle (no perf info)
| - | $6 | gray | Steel Pipes | — | — |
1991, Apr 17 Mexico Exports issue p. 14x14.25
| - | 1100p | gray |
airmail
1946, Sep 1 Zacatecas 400th issue wmk. GOBIERNO MEXICANO & eagle (no perf info)
| - | 30c | gray | Fr. Margil de Jesus & plane over Zacatecas |
airmail official
1930, May 1 1934 official air b issue wmk. CORREOS MEXICO p. 12
| - | 20c | gray | — | — |
1931, Sep 1 p. 12.5
| - | 15c | gray | ++on=20c | — | — |
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