1999 SP Signature Autograph Kellen Winslow #KW

1999 SP Signature Autograph Kellen Winslow #KW value & prices

The 1999 SP Signature Autograph Kellen Winslow #KW is a Football card released in 1999. Ungraded copies carry a market value of about $10.50.

An ungraded copy is worth around $10.50, a PSA 9 around $39.91, a PSA 10 (Gem Mint) around $196.99 and a pristine BGS 10 around $256.00. That's roughly a 19× 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 $10.50 and top grades reaching $196.99, 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.