1970 Topps Mike Riordan #26

1970 Topps Mike Riordan #26 value & prices

The 1970 Topps Mike Riordan #26 is a Basketball card released in 1970. Ungraded copies carry a market value of about $3.95.

An ungraded copy is worth around $3.95, a PSA 9 around $1,616.72, a PSA 10 (Gem Mint) around $1,940.00, a pristine BGS 10 around $2 and522.00. That's roughly a 491× premium for a gem-mint copy over raw — one of the clearest signals that condition-sensitive buyers dominate this card's market.

Is it worth grading?

With raw copies near $3.95 and top grades reaching $1,940.00, grading a sharp copy of this card can clearly pay for itself — the spread comfortably covers a typical ~$25.00 grading fee. The catch: only submit copies with strong centering, clean corners, and unmarked surfaces, because anything below a 9 usually erases the math.