unused Air Post, 1918-52, accumulation of 47 virtually all unused stamps neatly arranged on black stock sheets, many never hinged, better items incl. unused singles of nos. C1-C6 and C18 (most have faults), unused blocks of four of nos. C7-C9, C12 and C24, plate no. blocks of nos. C20-C22 and C46, some items have faults, otherwise fine-very fine lot, Scott retail $1,322.10