Lot
2284 
Saar, 1931 Polar Flight. Friedrichshafen to Berlin cover franked with 1925, 10fr Madonna + 1928, 50c pair & single + 1fr airmails, all tied by "Burbach, 21.7.31" cds, red flight cachet, Very Fine. Estimate $200 - 300.
Realized: $260