Τόνγκα
Τώρα εμφανίζεται Τόνγκα - Επίσημα γραμματόσημα (1893 - 1996) - 1 Γραμματόσημα.
1973
Airmail - Ships & Map Postage Stamp of 1972 Overprinted "ESTABLISHMENT - BANK OF TONGA - OFFICIAL AIRMAIL" and Surcharged - Self-Adhesive
30. Μάρτιος WM: Κανένα Διάτρηση: Imperforated
![[Airmail - Ships & Map Postage Stamp of 1972 Overprinted "ESTABLISHMENT - BANK OF TONGA - OFFICIAL AIRMAIL" and Surcharged - Self-Adhesive, τύπος AA]](https://www.stampworld.com/media/catalogue/Tonga/Official-stamps/AA-s.jpg)
![[Airmail - Ships & Map Postage Stamp of 1972 Overprinted "ESTABLISHMENT - BANK OF TONGA - OFFICIAL AIRMAIL" and Surcharged - Self-Adhesive, τύπος AA1]](https://www.stampworld.com/media/catalogue/Tonga/Official-stamps/AA1-s.jpg)
![[Airmail - Ships & Map Postage Stamp of 1972 Overprinted "ESTABLISHMENT - BANK OF TONGA - OFFICIAL AIRMAIL" and Surcharged - Self-Adhesive, τύπος AA2]](https://www.stampworld.com/media/catalogue/Tonga/Official-stamps/AA2-s.jpg)
