2026 Panini Donruss Seaver King Signature Series #SS-SK
Seaver King · Panini America, Inc. · Prospect Autograph / Insert
Player
Seaver King
Set
2026 Panini Donruss Baseball Signature Series
Year
2026
Card #
#SS-SK
Condition Grade
Estimated PSA 9 (Mint). The centring on the reverse appears slightly shifted to the left (heavy right border). The corners and edges appear sharp and well-preserved from the photo provided, though surface evaluation is limited to the scan.
Category
Prospect Autograph / Insert
Manufacturer
Panini America, Inc.
Demand Level
Strong. Seaver King is a high-profile prospect. Demand is driven by dynasty league collectors and Fans of the Washington organization. Market activity for 2026 products stays high during his climb through the minors.
Valuation
Raw (Ungraded) Value
$40.00 - $75.00
Graded Value
PSA 8: $50-70, PSA 9: $80-110, PSA 10: $250-325
Comparable Sales
Recent sales for high-end Seaver King prospect autographs range from $50 raw to $150 for early season releases. Similar Panini Donruss Signature Series for top 10 prospects typically trend between $45 and $90 depending on the specific parallel.
Description
This is the reverse side of a 2026 Panini Donruss Seaver King Signature Series card. The card features a professional prospect bio for the Washington infielder, highlighting his promotion to Double-A Harrisburg and success in the desert fall league (.359 AVG). The card design features a white border with a red and blue stadium motif frame and a guarantee of authenticity for the on-card or sticker autograph (not visible here) by Panini America, Inc.
Key Features
Features Seaver King, a highly touted first-round talent. The 'Signature Series' is a staple Donruss insert set. Contains a certified authentic autograph and prospect-specific career highlights.
Authenticity Indicators
High confidence. Card features the Panini logo, 2026 copyright markings, and the official Panini 'guaranteed' statement. The card stock and print registration appear consistent with modern Panini Donruss production.
Flaws to Note
Centering on the reverse is favorited toward the left side (approx 65/35). Minor white specks on the dark red border may indicate slight edge chipping or print artifacts. A thorough inspection of the front (autograph side) is required for a full grade assessment.
Selling Guide
Where to Sell
eBay is the best platform for liquidating prospect autographs quickly. For higher-end versions, COMC or MySlabs are excellent alternatives for reaching dedicated 'slab' collectors.
Selling Tips
Always photograph the front of the card first as that contains the autograph and main image. Mention his .359 BA and .468 OBP in the listing title to attract prospectors. Use a penny sleeve and top loader for shipping to ensure the edges remain sharp.