Lot no. 6699

Mail via the British Consulate in Batum: 1920, commercial cover, franked with 1d. and tied by cds. "ARMY POST OFFICE A 20 AP 20", with consular cachet "BRITISH CONSULATE BATOUM" at lower left, sent to Constantinopel, some faults, rare and interesting usage depicted in "BATUM UNDER OCCUPATION the years 1917 – 1921", page 60 (by Hans G. Grigoleit & Edward Klempka)