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

BOSNIA-HERZEGOVINA. 1890 (Aug 7). Registered cover to SALZBURG franked by 1879/98 2kr. yellow (12, some with compound perfs.) and 3kr. green (2) paying the 30kr. rate, all tied by watery strikes of K und K MILIT. POST / SARAJEVO datestamps in black. SALZBURG arrival cds on reverse. Mi.2,3.