Chicago's Potter & Potter Auctions specializes in the sale of the rare and unusual. Visit our booth to view highlights of Scab Vendor: Rare Tattoo Flash and Underground Art from the Collection of Jonathan Shaw - our April 9, 2026 auction of vintage tattoo flash and memorabilia, including 200+ vintage flash sheets by masters like Bert Grimm, Bob Shaw, and Cliff Raven, plus rare inscribed pieces tied to Charles Bukowski, R. Crumb, and more from Jonathan Shaw's famous personal collection.