The 1989 Bowman Ken Griffey #259 is valued at $1.99 raw, $21.78 in PSA 9, $136 in PSA 10 as of November 3, 2026. Its market value has held steady over the last 30 days, moving -0.5% to $1.99. Across the 89 days we have tracked it, it has ranged from $1.80 to $7.06, and it currently sits 72% below that high. With 710 recorded sales, it ranks #162 of 500 baseball cards we track by trading volume.
On current values, a PSA 9 ($21.78) is worth $5.21 less than a raw copy plus a $25.00 grading fee, while a PSA 10 ($136, 68.1× raw) is worth $109 more, so the difference comes down to the grade. The cheapest PSA 10 copy we matched on eBay when we last checked on November 2, 2026 was $189, 39% above our PSA 10 market value of $136, so eBay offers no discount on this card right now.
About $1.99 raw, $21.78 in PSA 9, $136 in PSA 10, based on our market values as of November 3, 2026. Its market value has held steady over the last 30 days, moving -0.5% to $1.99.
On current values, a PSA 9 ($21.78) is worth $5.21 less than a raw copy plus a $25.00 grading fee, while a PSA 10 ($136, 68.1× raw) is worth $109 more, so the difference comes down to the grade. 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 2, 2026 was $189, 39% above our PSA 10 market value of $136, so eBay offers no discount on this card right now.