Lot 733
733
unmounted mint Block of Four 8c-24c 1923 Air Post (C4-C6), blocks of four, never hinged, fresh bright colors, fine-very fine set Scott n.h. retail $976.00 est.

Details
unmounted mint Block of Four 8c-24c 1923 Air Post (C4-C6), blocks of four, never hinged, fresh bright colors, fine-very fine set Scott n.h. retail $976.00 est.