Registered, Jun 10, 1893, World's Fair Station, Chicago, Ill. Red straight line postmark (Bomar C93-04) on locally addressed Director General Exposition corner card cover, franked with 10¢ + 2¢ Columbians tied by oval handstamp; 2¢ with nick at bottom and cover reduced at right, F.-V.F. Estimate  $300 - 400. $0 (Image)