Natal 1900 Hattingspruit ZAR Oval, Double Rate to Switzerland

NATAL: 1900 Envelope to Switzerland franked Transvaal ½d, 1dx3 & 2d cancelled VF strikes of the HATTINGSPRUIT Veld-Post ZAR type 3 oval rubber handstamp in violet dated 24 APR 1900. Pretoria transit & Swiss arrival cds's on reverse. Rare postmark, a lovely double rate example to overseas destination. Superb. See additional image below.