Auctions 233-236
March 10 & 16-17, 2018
Lot 907
Opening: 150 €
Sold for: 150 €
Michel IV
6 M
Airmail. Flugtag Burgdorf 50 centimes green on special postcard carried by aviator Oskar Bider 30-3-1913 to Bern and forwarded to Maassluis (Netherlands), very fine, cat.v. CHF 1200+
