(Sanitary Fair) Volunteers Refreshment Saloon, Philadelphia foot of Washington St., gray illustrated design on cover bearing 1¢ blue (63) deep rich color, and 3¢ rose (65), both tied by bold "Philadelphia Pa. Apr 21 1862" cds to Union Valley N.Y., prepaid 1¢ for the carrier fee to the mails plus 3¢ postage; barely reduced at right and small edge flaws, Very Fine, ex-Sevenoaks. Estimate  $750 - 1,000. A CHOICE ILLUSTRATED SANITARY FAIR COVER PREPAYING THE 1¢ CARRIER FEE PLUS 3¢ POSTAGE. $0 (Image)