Worlds Fair Station, Chicago, group of 7 covers and card; including Expo Duplex Number 2 (C93-02) on uprated 2¢ Columbian entire to Germany, machine postmark (C93-11A) tying 2¢ Columbian on cover, machine postmark (C93-12A) tying 3¢ Columbian on cover, on 1¢ Grant postal card and on 2¢ green commercial corner card entire, also two incoming "Chicago Bladel" addressed covers from Colchester, Ill. and Sedwick, Dak., F.-V.F. overall. Estimate  $150 - 200. $0 (Image)