Heinrich Köhler 383rd Auction – Day 3 Single Lots: German Empire 1872 – 1945 German Reichspost – Shield Issues – The Michael Rehme Collection (part II)

½ Groschen orange, two single values with horseshoe cancellation "SOLINGEN 5. APRIL.74" (Spalink 34-1) on complete folded cover (invoice for weapon parts) to the Royal Brandenburg Foot Artillery Regiment No. 3 in the Imperial Fortress of Mainz with arrival postmark in perfect condition