Collectors, Cooper Flagg’s Rookie Debut Patch Auto sold for $8.04M last week—more than any publicly sold Honus Wagner—and Pete Crow-Armstrong’s bought in $1.1M Over his first three seasons, San ...

Victor Wembanyama's autograph is already among the most sought-after in sports memorabilia. Add his signature alien doodle, and its value can climb even higher. Collectors are paying massive premiums ...