Lot 90
90
United States
6c-24c 1918-23 Air Post (C1-C6), unused, o.g., fresh, some h.r., incl. extra no. C3 "high plane" var, fine-very fine lot, Scott retail $712.50

Details
6c-24c 1918-23 Air Post (C1-C6), unused, o.g., fresh, some h.r., incl. extra no. C3 "high plane" var, fine-very fine lot, Scott retail $712.50