Creator | Otto Baumberger |
Printing year | 1928 |
Sheet size (cm) | 45×32 |
Printing technique | Lithograph |
Printer | Wassermann |
Condition | B |
Asking price | 1'400 CHF |
Categories | in the air, Plebiscites & Campaigns, Switzerland |
published by the Swiss Air Traffic Union to promote flights as an alternative to ships and especially trains