Stamps, 1937 air b issue
1 to 30 of 30
Bolivia
airmail1937, Feb 25 1937 air b issue unwmk (no perf info)
| - | 3b | |||||
| - | 4b | |||||
| - | 5b | |||||
| - | 10b |
El Salvador
1937, Dec 2 1937 air b issue plane over Panchimalco Church (7 stamps)
Uruguay
1937 1937 air b issue
| X | 8c | dam, w. unwmk | ||||
| - | 20c | dam | — | — |
Venezuela
1937, Jul 1 1937 air b issue unwmk (17 stamps)
| X | 5c | yelbrn | ||||
| X | 10c | orgred | ||||
| X | 15c | olgray | ||||
| - | 25c | dkvio | ||||
| - | 40c | dkol | ||||
| - | 70c | carred | ||||
| - | 75c | och | ||||
| X | 1b | blgray | ||||
| - | 1.20b | blgrn | ||||
| X | 1.80b | dkvio | ||||
| - | 1.95b | ultra | p. 11 | |||
| X | 2b | dkvio | p. 11 | |||
| - | 2.50b | graybl | p. 11 | |||
| - | 3b | ltbl | ||||
| - | 3.70b | carred | p. 11 | |||
| - | 10b | pur | ||||
| - | 20b | dkgray |
1 to 30 of 30