cover Columbian Exposition cancellations, 1893, four covers and eight used Columbian postal stationery entires (Scott nos. U348 four, U350 one plus one front, U351 three), each with an Expo station cancel, one of the 5c entires with a typewritten address, the covers incl. 3c Columbian on 1c Columbian entire, 3c Columbian on a civil war patriotic design cover, 2c Columbian, 2c Carmine (Scott no. 220) on hotel corner card cover and 3c Columbian on 2c entire with 'Chicago Day' printed cachet, several have faults, otherwise generally fine-very fine lot, Scott retail $2,500.00 est.