Description
Vouhsem/Mahr, History of Czechoslovakian Airmail, 1986-90, here all 4 issues complete, Part 1, The Pioneering Period, Part 2, 1918-1921, Part 3, The Flight Routes in Czechoslovakia 1923-1938/9 and Part 4, Zeppelin, Catapult Airmail and General Information 1923-1838/39, with illustrations and maps, point rating, rarely offered complete, in good condition #20886