By: Corinphila Auction AG
lot # 9500 - Switzerland airmail
1923 (16. Aug.): Handley Page Versuchsflug (Paris) - Basel -Zürich, Flugpost 25 Rp. plus Zusatzfrankatur 4 x 5 Rp. gest. "Basel 2 Centralbahnstrasse 16.VIII.23" auf Brief nach Zürich mit Sonderbestätigungsstp. "Basel 2 Flugpost 16. Aug.1923" in Violett, rücks. Flugpoststp. und AStp. "Zürich 17.VIII.23", befS 56 Attest Bohler (1974) SLH SF 23.1a = CHF 2'600.
Catalogue 264: SWITZERLAND & PRINCIPALITY OF LIECHTENSTEIN
Sale Terms
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