细节
Specimen Africa including Bechuanaland, Cape of Good Hope, Egypt (a wide range including the Port Fouad overprint set), Gambia, Gold Coast, Lagos, Morocco Agencies, Natal, Nigeria, Northern Nigeria, Nyasaland, Orange River Colony, Sierra Leone, Somaliland, South Africa, Southern Nigeria, Southern Rhodesia, South West Africa, Sudan, Tanganyika, Transvaal and Zanzibar