Tofua and Kao
Tofua island 515 m and Kao Island 1'030 m are part of the Ha'apai island group of the Tonga archipelago.
Kao rises 1'030 m above sealevel and is the highest point on the Tonga archipelago.


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Tonga 1897, (overprinted 1923), Tofua and Kao Island of the Ha'apai island group (Tonga archipelago).


mountainstamp.com Tofua and Kao Island stamp 1953
Tonga 1953, Tofua and Kao Island.
Several overprintings existing

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Tonga 1962
1862
TAU'AtINA
EMANCIPATION

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Tonga 1962
OFFICIAL AIRMAIL
1862
TAU'AtINA
EMANCIPATIffi

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Tonga 1967
OFFICIAL
AIRMAIL
ONE PA'ANGA

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Tonga 1968
20 SENITI 20

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Tonga 1967,
50s
The
Friendly Islands
welcome the
United States
Peace Corps

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Tonga 1968,
38s AIRMAIL
Friendly Islands
Field & Track Trials
South Pacific Games
Port Moresby
1969

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Tonga 1970, 50s,
Commonwealth
Member
June 1970
OFFICIAL AIRMAIL

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Tonga 1970, 90S,
Commonwealth
Member
June 1970
OFFICIAL AIRMAIL

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Tonga 1970, T$ 1.50,
Commonwealth
Member
June 1970
OFFICIAL AIRMAIL

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Tonga 1967,
Centenary
British Red Cross
1870-1970
OFFICIAL AIRMAIL

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Tonga 1968,
38s AIRMAIL
Centenary
British Red Cross
1870-1970
OFFICIAL AIRMAIL





Tonga 1973, Kao Island.
Tonga 1973, Kao Island.
The round stamp (self-adhesive/die-cut) is existing in denominations: 5S, 15S, 17S, 39S and 75S.  



Tonga 1973, Kao Island.
Tonga 1996, Tofua and Kao Island.