PSM is one of the most trusted sources for Jim Brown Autographed Memorabilia and Collectibles: Our great prices combined with a large selection of is why we are the biggest Jim Brown memorabilia retailer online. All the Jim Brown signed memorabilia we sell is 100% guaranteed authentic. We work with only the premier suppliers in the country such as Upper Deck, Mounted Memories and Tristar Productions. Make us your destination for finding the most authentic Jim Brown memoribilia and collectibles. Grab a piece of history with a genuine memorabilia piece today.