U.S.A. Covers, 1860-1940. Premium lot of about 175 covers, many interesting usages, including terrific advertising such as Remington typewriter, D.C. billboard 1860's, saddles, razors, fancy Cemetery, tobacco, fence foundry, band music publisher showing sheet music; Autographic register; railroad including "Monon" route; also nice fancy cancels; Chicago 1910" Northwestern Tube Station"; Pan American Exposition cards some with Fair station cancels; 1937 "Ski Mail Bangor-Caribou Marathon"; WWI "Ouvert" censors; and much much more, condition far above the usual, conservative retail prices over $7,000+, please inspect. Estimate  $1,000 - 1,500. $0