Card grading

eBay adds PSA grading service for select trading cards

eBay is expanding its partnership with PSA by adding an option for sports card buyers to have their cards graded by the hobby’s top grading and authentication company.

SCD Staff

The case of the authenticity of a Babe Ruth card purchased for $2 Bert Lehman

PSA Now Offering Dual Grades for Autographed Cards Tom Bartsch

Card Grading: Inside the Process with PSA, SGC Greg Bates

SGC Now Certifying Autographs Under Name SGC Authentic Tom Bartsch