Market outlook
Stable Outlook 7/10
Nolan Ryan's Hall of Fame legacy sustains steady collector interest, with error variants holding niche value amid vintage baseball resurgence.
Next months. Stable with minor upticks from graded error discoveries
Long term. Modest appreciation as supply dwindles from attrition
History
Nolan Ryan is a legendary MLB pitcher known as the Ryan Express, holding records for most career strikeouts (5,714), no-hitters (7), and a career spanning 27 seasons with teams including the New York Mets, California Angels, Houston Astros, and Texas Rangers; this card celebrates his 5,000 strikeout milestone.
1989, as part of the Donruss Baseball set released in the United States
- This is a famous error variation with #659 back (Best Reps insert) instead of correct #665 back
- King of Kings designation honors Ryan's dominance and strikeout achievements
- Printed in 1989 but sometimes mislabeled as 1990 Donruss due to error confusion
Rarity and print run
- Tier
- Ultra Rare
- Print run
- Low
- First printed in
- 1989 Donruss Baseball
- Demand
- Medium
- Supply
- Low
- Wrong back error (#659 instead of #665) occurred in limited production
- King of Kings inserts were low-ratio chase cards
- Condition-sensitive diamond stamp prone to wear
Collector notes
Condition. Check for centering issues common in Donruss production, chipping on King of Kings diamond stamp edges, print defects on error back, and corner wear; verify back is #659 for error variant.
Storage. Store in semi-rigid top loaders or magnetic holders away from light and humidity; use team bags for added protection against scratches on glossy surface.
Authenticity. Examine King of Kings stamp for crisp embossing and color vibrancy—fakes often have dull printing; confirm error back matches #659 Best Reps design; graded/graded grading recommended for verification[1][3].