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Catalog archive | Auction 191

31 March - 1 April 2023

Lot 3532
Auction 191 | Lot 3532
Opening bid
30
507b
BF
40 C. Airmail blackish cobalt on orange white, horizontal pair on first flight letter Zurich Geneva Sao Paolo to Zurich.
For lots of the clearance sale we accept underbids up to 30% starting price - if there is no higher bid!