The 1990 Topps Ken Griffey Jr. #336 is valued at $2.65 raw, $46.83 in PSA 9, $1,380 in PSA 10 as of November 4, 2026. Its market value is down 2.6% over the last 30 days, from $2.72 to $2.65. Across the 89 days we have tracked it, it has ranged from $1.51 to $3.50, and it currently sits 24% below that high. With 3,930 recorded sales, it ranks in the top 10% of baseball cards we track by trading volume.
On current values, a PSA 9 ($46.83) is worth $19.18 more than a raw copy plus a $25.00 grading fee, and a PSA 10 ($1,380, 520.8× raw) is worth $1,352 more. The cheapest PSA 10 copy we matched on eBay when we last checked on November 4, 2026 was $1,475, 7% above our PSA 10 market value of $1,380, so eBay offers no discount on this card right now.
About $2.65 raw, $46.83 in PSA 9, $1,380 in PSA 10, based on our market values as of November 4, 2026. Its market value is down 2.6% over the last 30 days, from $2.72 to $2.65.
On current values, a PSA 9 ($46.83) is worth $19.18 more than a raw copy plus a $25.00 grading fee, and a PSA 10 ($1,380, 520.8× raw) is worth $1,352 more. This ignores gem rate and selling fees, so treat it as a best case.
The cheapest PSA 10 copy we matched on eBay when we last checked on November 4, 2026 was $1,475, 7% above our PSA 10 market value of $1,380, so eBay offers no discount on this card right now.