Autographed items I own...
Picture of Phyllis with Arlo Guthrie.
Ticket stub autographed by Foghat/2005. (thanks Corey!)
"Curse Of the Hidden Mirror" cd autographed by BOC (3OC + 2).
"Rare Earth In Concert" cassette autographed by Pete Rivera.
"Ride Captain Ride" single autographed by Mike Pinera.
"Twelve Dreams Of Dr Sardonicus" album signed by Randy California(r.i.p.) & Ed Cassidy.
Both Phil Esposito autobiographies.
"Wild Thing" autobiography by Ian Copeland (Stewart's brother).
"Back From Rio" cd autographed by Roger McGuinn.
"Dreamgirl" autobiography autographed by Mary Wilson.
"Chambers Brothers Live" album autographed by all the brothers & the white drummer.
Of course, there's tons more, but hey - this is just off the top of my head...