1893 Columbian Exposition (Chicago, Ill.) Official Corner Cards. A nice lot of 24 with various Official corner cards of the Expo., included is the "Royal Siamese Commission", "Department of Admissions", "Loan Collection of the Exhibit of the State of New York", "The Director General, Board of World's Fair Managers of Ohio", just to name a few, several with Expo. Station cancels (one with registry marking), mixed condition, F.-V.F. Estimate  $500 - 750. $0 (Image)