unused Accumulation, 20th, a few hundred unused stamps on black stocksheets, better items incl. unused nos. 290, 296-298, 299 two, 325, 327, 399, 550, 556 block, 664 block, 621 block, 715 plate no. block, seven 10c Famous Americans plate blocks, C1-C6, C18, F1, etc., some have faults, otherwise fine-very fine lot, Scott retail $3,000.00+