X | 20p | grn & pur | communications building |
- | 20p | Modern Building Mexico Df | 1.00–10. | 1.00–10. |
- | 20p | 1.00–10. | 1.00–10. |
X | 20p |
- | 20p | blk | Wrought Iron |
- | 20p | blk | Wrought Iron | — | — |
- | 20p | blk & org |
- | 20p | brn & carred | Tehuantepec city Indian girl |
- | 20p | viobl | — | — |
- | 20p | blk & graygrn | — | — |
- | 20p | grn & ltbrn | removing blindfold | — | — |
- | 20p | multi & redorg | — | — |
- | 20p | dkbl & red |
- | 20p | blgrn & red | Perf: 10½ x 10 | — | — | |
- | 20p | blgrn & red | Perf: 14 - Issued 1967 on Flourescent paper | — | — |
- | 20p | multi |
- | 20p | gray & red | Perf: 14 | — | — |