Stamps and Postal History of Spain, featuring China, Colombia – Prephilatelic Spanish period –, British Colonies, Japan, Portugal and Switzerland

SUDAN. 1896 (June 29). MAHDISTA WAR. FIRKET BATTLE (June 7, 1896). Envelope with full contents datalined ´Te Desert, near Firket´ (describing railway construction) to LONDON. Endorsed ´Active Service. No stamps Available´, with very fine WADI-HALFA/CAMP cds and taxed 2 1/2 d. Rare campaign cover.