Chicago band signed fold out poster

Chicago band signed fold out poster
Chicago band signed fold-out poster. Poster is signed by all band members including Danny Seraphine, James Pankow, Lee Loughnane, Walter Parazaider, Terry Kath, Peter Cetera, and Robert Lamm. 90x12 inches unfolded
"This autograph is certified by a 20 year plus member of IADA (International Autograph Dealers Association) , UACC (Universal Autograph Collectors Club), IACC - International Autograph Collector Club), Manuscript Society, SAG (Screen Actors Guild), Southern California Motion Picture Council, APS (American Philatelic Society), ASCC (American Society Of Check Collectors), AFDCS (American First Day Cover Society), Hollywood Heritage Museum, and the Golden State Boxing Association. Additionally a member of the British Autograph Club and German Autograph Collectors Club. The COA issuer has the following credentials: UACC - Autograph Appraisal Course. UACC- Autograph Authentication Course. US Army CID Handwriting Program