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postage
1957, Feb 14 1957 surcharges issue ovpted unwmk (no perf info)
| X | 350b on 20c | grn & blk | Gate of the Sun & llama |
1957, May 15 7th session of the CEPAL issue
| X | 350b | CEPAL building |
1957, Dec 15 railroad opening issue
| X | 350b |
1960 Jaime Laredo issue
| - | 350b | rose | Jaime Laredo |
1960, Jan 30 Mateos visit issue
| - | 350b | ol |
1960, Apr 7
| - | 350b | brnvio | refugees |
1960, Nov 19 hospital fund issue
| X | 350b | multi |
1960, Dec 17 1960 provisional issue ovpted (no wmk info)
| X | 350b on 10c | gld & grn | Sun Gate |
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