1918-1986, Airmails & Duck Stamps. Selection including C1-6, C18 and about complete for the period lacking C13-15; also Ducks complete from RW1 for the period, some of the earlier with problems such as regummed, heavy hinging, minor creasing, a few slightly stuck & other small faults, many later never hinged, please inspect. Estimate  $500 - 750. $0