2025-26 Topps Chrome Sapphire Base Set Kon Knueppel Purple #254

2025-26 Topps Chrome Sapphire Base Set Kon Knueppel Purple #254 value & prices

The 2025-26 Topps Chrome Sapphire Base Set Kon Knueppel Purple #254 is a Basketball card (Purple parallel) released in 2026. Ungraded copies carry a market value of about $247.21.

An ungraded copy is worth around $247.21, a PSA 9 around $385.55, a PSA 10 (Gem Mint) around $1,069.54, a pristine BGS 10 around $1 and390.00. That's roughly a 4.3× 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 $247.21 and top grades reaching $1,069.54, 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.