1999 Upper Deck Black Diamond Tony Gwynn Double #69

1999 Upper Deck Black Diamond Tony Gwynn Double #69 value & prices

The 1999 Upper Deck Black Diamond Tony Gwynn Double #69 is a Baseball card (Double parallel) released in 1999. Ungraded copies carry a market value of about $5.70.

An ungraded copy is worth around $5.70, a PSA 9 around $17.73, a PSA 10 (Gem Mint) around $131.37 and a pristine BGS 10 around $171.00. That's roughly a 23× 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 $5.70 and top grades reaching $131.37, 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.