The 1991 Score Barry Sanders #663 is valued at $1.17 raw, $15.88 in PSA 9, $134 in PSA 10 as of November 4, 2026. Its market value is down 10.7% over the last 30 days, from $1.31 to $1.17. Across the 90 days we have tracked it, it has ranged from $1.17 to $1.55, and it currently sits 25% below that high. With 76 recorded sales, it ranks #498 of 500 football cards we track by trading volume.
On current values, a PSA 9 ($15.88) is worth $10.29 less than a raw copy plus a $25.00 grading fee, while a PSA 10 ($134, 114.2× raw) is worth $108 more, so the difference comes down to the grade. The cheapest PSA 10 copy we matched on eBay when we last checked on October 31, 2026 was $99.00, close to our PSA 10 market value of $134.
About $1.17 raw, $15.88 in PSA 9, $134 in PSA 10, based on our market values as of November 4, 2026. Its market value is down 10.7% over the last 30 days, from $1.31 to $1.17.
On current values, a PSA 9 ($15.88) is worth $10.29 less than a raw copy plus a $25.00 grading fee, while a PSA 10 ($134, 114.2× raw) is worth $108 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 October 31, 2026 was $99.00, close to our PSA 10 market value of $134.