unused Block of Four 8c-24c 1923 Air Post (C4-C6), blocks of four, never hinged except two 8c and one 24c (all lightly hinged), fine-very fine set, Scott retail $1,415.00

Details
unused Block of Four 8c-24c 1923 Air Post (C4-C6), blocks of four, never hinged except two 8c and one 24c (all lightly hinged), fine-very fine set, Scott retail $1,415.00