Front: htt HOTEL KNICKERBOCKER CHICAGO, ILL. UNI BNLE WE C 33 Back: 12. (Hotels - CHI TIL. 19401 REALPHOTOS 1 Post and GROGAN PHOTO COMPANY DANVILLE, ILL. THIS IS A GENUINE PHOTOGRAPH Stamp. THOMAS 1801-1809 3 CENTS 3
