Auction: 12013 - The Collector's Series sale
Lot: 1696
x Switzerland 1913 Semi-Official Air Mails 50c. Basel, 50c. Burgdorf (2, one on white paper, mounted), 50c. Laufen (mounted) and 50c. Solothurn (mounted and poorly centred), good to fine. Zumstein 3,090 S.Frs. Estimate £ 300-350
Sold for
£220