1931 Vaduz-Lausanne Flight, June 10 (Sieger 110 Da), Liechtenstein 1fr. Zeppelin stamp tied by bright red Zeppelin flight handstamp cachet, "Vaduz c 10.VI.31" type 3circular datestamp (carries a 15% premium) at the center, bold "Lausanne Poste Aerienne Suisse 10.VI.31" circular datestamp, addressed to Switzerland, Extremely Fine, a very rare combination of the two rare cancels, Sieger €4,312 (3,750 plus 15% premium) ($4,660).