accumulation on stock cards and in glassines between ranging from 563/642, 18 different in quantities of 1 to 100+ each, nearly all never hinged, better including 563 (2), 583 (3), 590 (2), 623, 631, 632 (104), 633, 634 (15), plus experimental Electric Eye plate blocks of six (132) and blocks of eight (60), 635a (10), 636 (2), 637 (9), 638 (17), 639 (10), 640 (8), 641 (11) and 642 (12), fine to very fine or better, a great variety of plate numbers and positions, great for the specialist, owner's Scott catalogue value $8,200+