Trip to Vaduz 1930, droped Vaduz, additional franked 10 g Picture-GSK with further airmail stamps in on both sides colourful Michel F from Vienna 11.8, flight stamp and arrival Vaduz 19.8. With time "16" on face, only a few incoming line documents to of this flight ever known, from Austria only three documents transported, excellent condition, top piece each Austria and Zeppelin mail collection (winner 79 A)