?Final Price Realized includes Buyer’s Premium added to Hammer Price
Estimate: $ 600 - $ 900
(AVIATION.) U.S. Army Air Corps; U.S. Geological Survey. Air Navigation Map No. 6, New York, N.Y. To Boston, Mass. (Experimental). Chromolithographed map detailing early experimental flight paths and landing fields between New York City and Boston. 37½x10½ inches sheet size, ample margins; light age tone and minor edge wear, ink stamp of Boston-based mapseller C.S. Hammond at lower right. Washington, D.C., 1928
