Τώρα εμφανίζεται Τόνγκα - Επίσημα γραμματόσημα (1960 - 1969) - 2 Γραμματόσημα.
1966
Airmail - Postage Stamp of 1961 Surcharged & Overprinted "1866 CENTENARY 1966 - TUPOU COLLEGE - SECONDARY EDUCATION"
18. Ιούνιος WM: 1 Διάτρηση: 14½ x 13½
![[Airmail - Postage Stamp of 1961 Surcharged & Overprinted "1866 CENTENARY 1966 - TUPOU COLLEGE - SECONDARY EDUCATION", τύπος E]](https://www.stampworld.com/media/catalogue/Tonga/Official-stamps/E-s.jpg)
![[Airmail - Postage Stamp of 1961 Surcharged & Overprinted "1866 CENTENARY 1966 - TUPOU COLLEGE - SECONDARY EDUCATION", τύπος E1]](https://www.stampworld.com/media/catalogue/Tonga/Official-stamps/E1-s.jpg)
