Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1
Lot 31:
1927-28, four Pioneer Flight Covers, two of Sofia – Varna and Rousse – Sofia of 1927; Sofia – Paris of 1928, each one appropriately franked, including air post adhesives, each one with arrival postmarks, mostly VF, Est. $250-$300 , Sc. #C1-4
Share this lot:
