Now showing: Guatemala - Air tax stamps (1919 - 1945) - 1 stamps.
1939
Central Post Office Stamp of 1927 Overprinted "1939" in Black or Green
23. February WM: None Perforation: 14
![[Central Post Office Stamp of 1927 Overprinted "1939" in Black or Green, type B8]](https://www.stampworld.com/media/catalogue/Guatemala/Air-tax-stamps/B8-s.jpg)
