PSA — Grading News & Pop Reports

Professional Sports Authenticator, the largest third-party grader; its 1–10 scale and pop reports set the hobby's price anchors. Insider.Cards has tracked 9 stories mentioning PSA from 8 outlets, first seen Oct 4, 2026. The latest is “1969 Topps Basketball: 4 Iconic PSA 10s Still In High Hobby Demand” (Sports Illustrated, Oct 9, 2026).

Most coverage comes from SCP Auctions (2), Sports Illustrated (2) and Clean Sweep Auctions (1). It most often appears alongside Topps, Babe Ruth and SCP Auctions.