Switzerland, 1919-20 First Airmail Complete. Blocks of 4, o.g., never hinged, pristine fresh, rich colors, Very Fine, a gorgeous set of blocks; each with Zumstein & Co. handstamp. Scott No. C1-C2. Zumstein No. F 1-2  SFr 2,120 ($2,402). $0 (Image)

Switzerland, 1919-20 First Airmail complete. Neat town cancels, exceptional centering, Extremely Fine and choice, a very scarce set used; each with 2010 von der Weid certificate, 30c signed Brun. Scott No. C1-C2. Zumstein No. F 1-2  SFr 2,000 ($2,266). $0 (Image)