Registered/Jul. 19, 1893/World's Fair Station,/Chicago, Ill. Bold magenta four line handstamp (Bomar C94-04) on 2¢ Columbian entire additionally franked with 8¢ Columbian tied by "Chicago" oval cancel, entire to Ohio with return address of the Mining Building, Very Fine and scarce. Estimate  $400 - 600. $0 (Image)