Champion Comics specializes in vintage Gold, Silver, Bronze, and Modern Age Comic Books and Original Art . Buy, sell, trade. Will travel anywhere in the U.S. to see your valuable collection! Free appraisals. To see some of our huge inventory, please see our ebay store: championcomics; Condition Potential Realization Service (CPRS) was started by longtime professional comic book retailer, enthusiast, and archivist Phil Schlaefer. Phil is well known in the comic book and original art hobby with over 35 years under his belt. He attends an average of 20 conventions a year and established the well known stores The Comic Collector Shop and Heroes in California. Our offices are located in Sunnyvale, California. We welcome any questions you may have in person, on the phone, or online. Aside from this base of operations, Phil will also be attending large and small conventions all across the country where you can submit books directly. CPRS is a division of Champion Comics. Always buying collections large and small! Quote- "In the 25 years I have worked with Phil Schlaefer he has always been diligent, conscientious and detail oriented.Not only does he do exceptional work but he will treat your books as if they were his own. His clients best interests are always the most important aspect of his work." Brian Peets, CEO, A-1 Comics.. "In the 25 years I have worked with Phil Schlaefer he has always been diligent,conscientious and detail oriented.Not only does he do exceptional work but he will treat your books as if they were his own. His clients best interests are always the most important aspect of his work." Brian Peets,CEO,A-1 Comics.