SOUTH WEST AFRICA

South West Africa was once a German possession until 1915 when it became a part of the Union of South Africa. In 1990 it was renamed Namibia. Some examples of South West Africa stamps is as follows: South West Africa (Overprinted on Union of South Africa stamps.)
Zuid West Africa (Overprinted on Union of South Africa stamps.)
South West Africa (Overprinted on South Africa stamps.)
SUIDWES AFRIKA (Overprinted on South Africa stamps.)
S W A Or S. W. A. (Overprinted on stamp of South Africa.)
SUIDWES AFRIKA
SOUTH WEST AFRICA
SWA
OFFICIAL or OFFISIEEL (Overprinted on stamps of South West Africa)