Population count, commonly referred to as "POP count" is a term that accounts for the number of graded cards with the same score. For today's article, we will reference Professional Sports ...

NEW YORK — Nestled beside each dugout at Citi Field is a chained-off area, no larger than a Manhattan apartment bedroom. Two inconspicuous individuals, both in black Nike polo shirts, sat there mostly ...

JERSEY CITY, N.J.--(BUSINESS WIRE)--Professional Sports Authenticator (PSA), the leading authenticator and grader of sports cards and memorabilia, announces the launch of its services for Funko Pops!.

GameStop Corp (NYSE:GME) shares are getting some attention on Tuesday. The stock got a lift after the video game retailer announced a collaboration with Professional Sports Authenticator. What ...

A baseball falls from the sky and into a fan’s hands. Or at least it comes to rest near their feet and they reach down and secure it. The fan has taken possession of something that might have monetary ...