Bidspirit auction | Birds airmail issue, Republic of

Birds airmail issue, Republic of Austria 1950-1953, complete set of seven values of 60 groschen, 1, 2, 3, 5, 10 and 20 schilling. The designs show crows, swallows, gulls, cormorants, a buzzard, a heron and an eagle, each stamp in a different colour. The set was designed by H. Strohofer and engraved by F. Teubel, and the foot of each stamp carries the name of the species in German beside the names of the designer and the engraver. All used and cancelled, among them Vienna postmarks. Good condition.