St. Louis, Mo. Exposition, Sep 14, 1904, Expo. Station Duplex Numeral "1" (Bomar STL04-01) tying complete well centered set of 1904, 1¢-10¢ Louisiana Purchase on corner card cover to Chicago, Ill., transit backstamp, Very Fine and choice, a lovely full set on cover. Scott No. 323-327  Estimate $500 - 750. $0 (Image)