Valuable commemorative stamps from South Africa before the abolition of Apartheid (1991). The stamps are affixed to envelopes, and English explanatory notes are inside, but some have deteriorated with age and cannot be opened. ① Drakensberg Cango Caves, University of Cape Town (contents of the envelope are not visible), Stellenbosch (contents of the envelope are not visible), one of each ② University of Cape Town stamp full sheet ③ Stellenbosch stamp full sheet ④ Wildlife, one of each ⑤ Battle of Slag, one and two stamp strips