https://auction.michaans.com/online-auctions/michaans/rock-posters-tribute-to-chet-helms-7958292
Rock Posters, Tribute to Chet Helms sold at auction on 12th August | Michaan's Auctions
Bid on Rock Posters, Tribute to Chet Helms sold at auction by Michaan's Auctions 1638 on 12th August
sold at auctiontribute tochet helmsrockposters