The Cosmopolitan Correspondence Club, fancy corner card on cover bearing 10¢ green (E7) along with 1¢ green pair, each with guideline straight edge, tied by "Hanover Pa. Mar 28 1911" wavy flag machine cancel to Milwaukee Wis., partial N.Y. & Phil. (3.28) transit backstamp, partial blue Milwaukee Special Delivery Division (3.29) time clock arrival backstamp, left 1¢ with some creasing, Very Fine. Estimate  $200 - 300. $0 (Image)