Natal 1900 Veldpost Glencoe on Letter to Lourenco Marques

NATAL: 1900 Envelope to Lourenco Marques franked Transvaal 3 x 1d clearly tied by three strikes of the three line VELDPOST ZAR GLENCOE date stamp dated 24 JAN 1900 in violet. On reverse in dark blue, the three lined PK/NewCastle./25 Jan 1900 handstamp (recorded in use from 9th January 1900) alongside the arrival cds in blue, with the Pretoria cds 30 JAN. The envelope is embossed "F. CAGI & Co / MERCHANTS / LOURENCO MARQUES" and bears the pink censor label. Most unusual. See additional image below.