PSA and eBay partnership introduces new, customer-focused vault experience with streamlined grading, storing and selling of trading cards SAN JOSE, Calif., May 16, 2024 /PRNewswire/ -- Collectors, parent company of PSA, and eBay Inc. (NASDAQ: EBAY), a global commerce leader that connects millions of sellers and buyers around the world, today announced they have closed a series of previously announced transactions. This summer, eBay and PSA, a leading third party authentication and grading provider in the c ...