U.S. Covers, 1860-1940. Interesting mix, including Civil War and other 19th Century, Western usages with Wells Fargo, Nevada, California originations with San Francisco cogs "via Panama"; 1873 Central Pacific Rail Road; Bank Note's; interesting group of Arctic covers including Wilkins-Ellsworth; 1940 U.S.S. Bear "Palmer Land" with "U.S. Antarctic Expedition East Base" handstamp with penguin; also Russia 1938 Polar set; surprises to be found here, please inspect. Estimate  $200 - 300. $0