Original 1st printing 14 x 21" concert poster for Iron Butterfly appearing with the James Cotton Blues Band and A.B. Skhy at the Fillmore West in San Francisco, CA from 1/23-26/1969.
Art by (and SIGNED in black pen by) Lee Conklin, image is # 157 in the Bill Graham/Fillmore series.
Medium glossy-coated index stock poster is in beautiful mint/near mint to near mint (A/A- to A-) condition; maybe there is a stray fingerprint or pinch ding hiding somewhere within the image area, but to be honest, I can't really see any issues at all on this example.
A GREAT-looking SIGNED example of one of Lee Conklin's more densely detailed Fillmore images.