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postage
1967, Mar 25 1967 overprint a issue wmk. mult crown & script CA (no perf info)
| - | 21s | multi |
1968, Jul 4 50th Anniversary of the Birth of King Taufa'ahau Tupou IV issue
| - | 21s | multi |
1972, Apr 14 Merchant Marine issue
| X | 21s | multi | — | — |
1973, Jun 29 25th Anniversary of Scouting in Tonga issue
| - | 21s | multi |
1974, Jun 20 100th Anniversary of UPU issue
| - | 21s | multi |
airmail
1967, Jul 4 King Tāufaʻāhau Tupou IV coronation issue
| - | 21s | multi | — | — |
1967, Dec 15 Peace Corps arrival in Tonga issue
| - | 21s | yelgrn | ++on=1½p | — | — |
1968, Apr 6 1968 surcharges issue ovpted (no wmk info)
| - | 21s | on 10sh (3) |
official airmail
1971 1971 official d issue wmk. mult crown & script CA
| - | 21s | gld & multi |
1 to 9 of 9