Auction: June 13, 2021
Lot #579: US Proof Set Assortment
Including (59) US proof sets with (54) in original envelopes, some sealed, from (4) 1957, (7) 1958, (14) 1959, (3) 1960, (8) 1961, (11) 1962, (7) 1963; (5) US proof sets in Acrylic cases from 1956, 1958, 1959, 1961 and 1962