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Ken Griffey
CHCKGEMCERT NS2M53
Intelligence Grade

Ken Griffey [Base]

1989Bowman#259
9.5
GEM
CHCK
Predicted
PSA 9BGS 9.5CGC 9.5SGC 9.5
ID ns2m53
SUB-GRADES
Limiting · Corners
MARKET VALUE
at CHCK 9.5 · BGS 9.5
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MARKET VALUE & DEEP ANALYSIS PENDING

Sub-grades are in. The enrichment pipeline (market valuation, tier-by-tier ROI, evidence breakdown) is queued — these sections appear automatically once a sealed price epoch and synthesis run are recorded for this card.

Issued Sep 15, 2026

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VerifiedAI identified
CARD DETAILS
PlayerKen Griffey
Year1989
BrandTopps
SetBowman
Card #259
VariantBase
EXPERT DESCRIPTION
gpt-5-mini

Bowman base card of Ken Griffey Sr., shown with a large portrait and an inset action shot framed like a TV screen. The red back with Bowman logo, player bio (born 4-10-50 Donora, PA) and card number 259 identifies it as part of the 1989 Bowman set; the back also references Ken Griffey Jr. (see card no. 220).

chck.ai grades are opinions based on automated image analysis, not appraisals. Not investment advice; no guarantee of resale value.