Τώρα εμφανίζεται Γουατεμάλα - Γραμματόσημα (1930 - 1939) - 7 Γραμματόσημα.
16. Μάιος WM: Κανένα
![[Airmail - Issue of 1930 Overprinted "EXTERIOR - 1931", τύπος FQ]](https://www.stampworld.com/media/catalogue/Guatemala/Postage-stamps/FQ-s.jpg)
16. Μάιος WM: Κανένα
![[Airmail - Issue of 1929 Overprinted "AEREO EXTERIOR 1931", τύπος FR]](https://www.stampworld.com/media/catalogue/Guatemala/Postage-stamps/FR-s.jpg)
21. Οκτώβριος WM: Κανένα
![[Airmail - Issues of 1929 Overprinted "AEREO INTERNACIONAL 1931", τύπος FS]](https://www.stampworld.com/media/catalogue/Guatemala/Postage-stamps/FS-s.jpg)
![[Airmail - Issues of 1929 Overprinted "AEREO INTERNACIONAL 1931", τύπος FT]](https://www.stampworld.com/media/catalogue/Guatemala/Postage-stamps/FT-s.jpg)
27. Νοέμβριος WM: Κανένα
![[Airmail - Issues of 1929 Overprinted "Primer Vuelo Posta BARRIOS-MIAMI 1931", τύπος FU]](https://www.stampworld.com/media/catalogue/Guatemala/Postage-stamps/FU-s.jpg)
![[Airmail - Issues of 1929 Overprinted "Primer Vuelo Posta BARRIOS-MIAMI 1931", τύπος FV]](https://www.stampworld.com/media/catalogue/Guatemala/Postage-stamps/FV-s.jpg)
![[Airmail - Issues of 1929 Overprinted "Primer Vuelo Posta BARRIOS-MIAMI 1931", τύπος FW]](https://www.stampworld.com/media/catalogue/Guatemala/Postage-stamps/FW-s.jpg)
