Stamps of Mexico, 17 Feb 1942
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1942, Feb 17 Inauguration of astrophysical observatory at Tonanzintla issue wmk. CORREOS MEXICO p. 12x13
| X | 2c | ind & vio | black cloud in Orion | |||
| X | 5c | bl & ind | Total eclipse of the Sun | |||
| X | 10c | ind & redorg | Spiral galaxie at the Canes Venatici Hunting Dogs conste |
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1942, Feb 17 Inauguration of astrophysical observatory at Tonanzintla issue
| - | 20c | grn & vio | — | — | ||
| - | 40c | multi & vio | — | — | ||
| - | 1p | org & blk | — | — |
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