Accumulation, 19th-20th Century, mostly 20th Century, comprising a collection in mixed condition with no. 630, a plate block collection containing nos. 878 & 893, a sheet accumulation incl. few premium, and a first day cover collection with over one hundred addressed Crosby cachets from the 1940's incl. nos. 859-93, 909-21 (2), C25-31, C25a, majority of unused are never hinged and very fine, mint face approx. $350.00