Group 1 - 30 former NFL star players from various teams will participate in autographing up to 3,000 memorabilia items [1] - Memorabilia items include helmets, footballs, and jerseys, which will be autographed on-site [1] - The event will feature live autographs facilitated by Notable Live [1] Group 2 - Autographed memorabilia will be supported by Prova & Sumerian technologies [1] - Digital twins of the memorabilia will be tokenized using Data Vault [1]

Sports Memorabilia Market Overview - The sports memorabilia market involves securing autographed collectibles and selling items from sports venues [1] - Collectors cherish players, moments, and teams, treating it almost like a religion [2] Key Players - Brandon Steiner is considered a legend among sports memorabilia collectors [1] - Barry Tlesnik has collected over 4 million baseball trading cards [3] Collection Value and Potential Sale - Barry Tlesnik's baseball trading card collection is estimated to be worth $7 million [3] - The collection includes rare items like a 1948 top set featuring Ruth, Garrick, Wagner, and Sai Young [3] - The collector hopes someone else will cherish the cards [4]