Stamps of Mexico, 15 Jul 1940
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postage
1940, Jul 15 national college 400th issue wmk. CORREOS MEXICO p. 10x10.5
| X | 2c | vio | Vasco de Quiroga | |||
| X | 5c | red | Melchor OCampo | |||
| X | 10c | olbis | college seal |
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1940, Jul 15 national college 400th issue
| - | 20c | blgrn | — | — | ||
| - | 40c | redorg | — | — | ||
| - | 1p | multi | — | — |
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