what does psa mean on a baseball card
PSA graded cards are sonically sealed inside a protective, tamper-evident PSA holder with a tagged label that shows its certification number, manufacturer, grade, date, unique bar code and player's name. This label appears above the card that is graded.955 Topps Harmon Killebrew rookie card number 124   A 1955 Topps Harmon Killebrew rookie card number 124 has a book value of about $250.00 in near/mint-mint condition. â¦ Professionally graded cards will sell for more.