Switzerland 1930: Two decorative, lithographed postcards with Swiss flags.
Both have imprinted stamps, have been sent by air-mail and have good cancellations: 1. Schweiz. Segelluftpost 13. Aug. 30 Bachtel (1. Swiss glider mail) and Zuerich Flugplatz 1. Aug. 1929.
Artist signed: MP. Verneul and J. Courvoisier
The Courvoisier postcard ist he scarcer one.
Two Scarce Swiss Air Mail Art Postcards 1930