Original 1st printing 4&1/4 x 7&1/2" postcard-backed concert handbill/card for the Chambers Brothers appearing with Children, Thyme and Up at the Grande Ballroom in Detroit, MI on 12/1-2/1967.
 
Art by Carl Lundgren, image is # 56 in the Russ Gibb Presents/Grande series and is featured in the Art of Rock book on page 302 (plate 3.153). 
 
Medium-thin flat vellum stock postcard is in great condition. There area few tape stains on the back.  They don't show through.