1930, 15 Rp - 1 Fr. Airplane over landscapes, as well the 1 Fr. With right margin of sheet, 6 values complete, on 3 first flight R covers with Cachet "I. Mail flight / VADUZ - St. Gallen / 31. August 1930" to Amriswil / Switzerland with arrival postmark St. Gallen, in perfect condition, decorative and rare, Michel 340.- already for lots