Lot
448 
Manhattan Project Correspondence, 1944-45, 11 covers from army sergeant (a member of the Special Engineer Detachment) working on Manhattan Project in Los Alamos, N.M., return address from the undercover P.O. Box 1663, Santa Fe, N.M., all but one with printed U.S. Army corner card, nine franked with 8¢ Airmail issue (C26) and two endorsed with manuscript "Free"; three franked covers with opening tears, otherwise Very Fine, "P.O. Box 1663" in Santa Fe N.M. was assigned to a scientist assigned to the Manhattan Project, which was located in Los Alamos N.M. and developed the atomic bomb. Estimate $300 - 400.
Realized: $425