5,500+ covers in four large cartons dating from the early 1940s up to the early 2000s, a large variety of cachet designs throughout, including several signed by their designers, and at least a dozen Goldberg designs, commemoratives include many each of space exploration, presidential inauguration, and notable U.S. events, a selection of World War Two patriotic covers, some 1960s first flights and airmails, 20+ express mail high-value postage first-day covers, several with multiples, vast majority of items in very fine condition and well organized chronologically, an excellent opportunity for a dealer to replenish stock, a close inspection would definitely prove worthwhile