1991 Score Mike Jackson #431
Mike Jackson · Score · Base
Player
Mike Jackson
Set
1991 Score Base Set
Year
1991
Card #
#431
Condition Grade
PSA 3 (VG) - Centering is heavy to the right. Corners show significant whitening and blunting, especially top right. High amount of surface scratching across the nameplate and right side of main photo.
Category
Base
Manufacturer
Score
Demand Level
Niche/Low. Interest is primarily limited to Mariners team collectors or set builders completionists.
Valuation
Raw (Ungraded) Value
$0.01 - $0.10
Graded Value
PSA 8: $5-10, PSA 9: $15-20, PSA 10: $45-60 (Note: Grading cost exceeds total card value for this specific player/condition).
Comparable Sales
Individual raw copies typically sell in bulk lots for pennies per card. Graded Gem Mint 10 copies of common players from this set occasionally sell for $15-25, but a low-grade copy has no significant market liquidity.
Description
This 1991 Score card features relief pitcher Mike Jackson in his Seattle Mariners uniform. The design is characteristic of early 90s Score with a bold blue border, a green accent bar, and the red/white 'Score 91' logo in the bottom right corner.
Key Features
Features a respected MLB reliever with over 1,000 career appearances. Part of the iconic mass-produced 'Junk Wax' era sets.
Authenticity Indicators
High confidence authentic. This card was mass-produced in the millions and is not targeted for counterfeiting. Card stock and printing patterns are consistent with early 90s manufacturing.
Flaws to Note
Significant surface scratches visible over the player's name and right arm. Top-left and top-right corners show impact damage and paper loss. Edges have white chipping. The centering is roughly 65/35 left-to-right.
Selling Guide
Where to Sell
Best sold as part of a Seattle Mariners team lot on eBay, or placed in a 'quarter bin' at a local card show. Not recommended for individual online listing due to shipping costs exceeding card value.
Selling Tips
Do not grade this card. To maximize value, bundle it with other 1990s Mariners players like Ken Griffey Jr. or Randy Johnson. Use eBay Standard Envelope for low-cost shipping if sold in a small lot.