1966 Topps John Sullivan #597

1966 Topps John Sullivan #597 value & prices

The 1966 Topps John Sullivan #597 is a Baseball card released in 1966. Ungraded copies carry a market value of about $9.62.

An ungraded copy is worth around $9.62, a PSA 9 around $124.44, a PSA 10 (Gem Mint) around $1,350.67, a pristine BGS 10 around $1 and756.00. That's roughly a 140× 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 $9.62 and top grades reaching $1,350.67, 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.