Czechoslovakia
1919 "Posta Ceskoslovenska" overprints
Air Mail unused AUSTRIA 1918 AIRMAIL ISSUE: 1.50k. on 2kr., 2.50k. on 3 kr. and 4kr., fine mint. B.P.A. certificates (1993). M. 71-73, DM. 3,800. Photo
Details
Air Mail unused AUSTRIA 1918 AIRMAIL ISSUE: 1.50k. on 2kr., 2.50k. on 3 kr. and 4kr., fine mint. B.P.A. certificates (1993). M. 71-73, DM. 3,800. Photo