1dr./2dr. 1938 "Airplane" in corner horizontal strip of 5, perf. 10 1/2 (pos.91+92+93), 10 1/2+13 1/2 (pos.94) and perf. 13 1/2 (pos.95+96), u/m. (Hellas A37c+A37d). Superb and rare.