How do you find out the value of a basketball card for free?

Finding the Value of a Basketball Card

On beckett.com you can go to My Collections and start a collection. Then you can find your basketball card and it will say the price on the total value part.

Vintagecardprices.com provides values for professionally graded pre-1989 basketball cards. All values are based on sales that took place on eBay and major auction houses. It has a My Collection and Want List feature whereby you're notified of cards that go into auction.

Answer

Beckett sells a pricing magazine for all sports. VintageCardPrices provides pricing for all sports incuding non-sports for all years up to 1989.

Go to beckett.com,that is the best way to find out