unmounted mint Coil Accumulation, 1923-1939, 25 different issues of coil strips of varying lengths, incl. nos. 602 (50 stamps with 2 line pairs), 603 (50 stamps with 3 line pairs), 723 (49 stamps with 3 line pairs), 843, 845 & 847 (26 stamps with 2 line pairs each), never hinged, fine-very fine, Scott retail $4,000.00+