Now showing: Guatemala - Air tax stamps (1930 - 1939) - 8 stamps.
30. June WM: None Perforation: 14
![[The 65th Anniversary of Liberal Revolution - Central Post Office Stamp of 1927 Overprinted "1871 - 30 DE JUNIO - 1936", type B1]](https://www.stampworld.com/media/catalogue/Guatemala/Air-tax-stamps/B1-s.jpg)
15. September WM: None Perforation: 14
![[The 115th Anniversary of Independence - Central Post Office Stamp of 1927 Overprinted "1821 - 15 de SEPTIEMBRE - 1936", type B2]](https://www.stampworld.com/media/catalogue/Guatemala/Air-tax-stamps/B2-s.jpg)
15. November WM: None Perforation: 14
![[National Fair - Central Post Office Stamp of 1927 Overprinted "FERIA NACIONAL - 1936", type B3]](https://www.stampworld.com/media/catalogue/Guatemala/Air-tax-stamps/B3-s.jpg)
17. March WM: None Perforation: 14
![[Stamp Exhibition, Guatemala City - Central Post Office Stamp of 1927 Overprinted "EXPOSICION - FILATELICA - 1937", type B4]](https://www.stampworld.com/media/catalogue/Guatemala/Air-tax-stamps/B4-s.jpg)
10. January WM: None Perforation: 14
![[The 150th Anniversary of the US Constitution - Central Post Office Stamp of 1927 Overprinted, type B5]](https://www.stampworld.com/media/catalogue/Guatemala/Air-tax-stamps/B5-s.jpg)
13. April WM: None Perforation: 14
![[Central Post Office Stamp of 1927 Overprinted "1938" in Red or Blue, type B6]](https://www.stampworld.com/media/catalogue/Guatemala/Air-tax-stamps/B6-s.jpg)
20. November WM: None Perforation: 14
![[Stamp Exhibition, Guatemala City - Central Post Office Stamp of 1927 Overprinted, type B7]](https://www.stampworld.com/media/catalogue/Guatemala/Air-tax-stamps/B7-s.jpg)
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)
