Ken Griffey Jr.

MLB Hall of Fame Outfielder · Baseball - MLB

Seattle Mariners / Cincinnati Reds

Ken Griffey Jr.

Era

1990s Peak Fame Period

Item Type

Baseball cap

Condition

Fair to Good, with fading and absorption artifacts typical of marker applied to fabric brims

Rarity

Moderate

Overall Assessment

A classic 90s sports memorabilia piece featuring a beloved superstar signature, though fabric surface grading requires careful third-party inspection

Authenticity Assessment

Uncertain - requires professional authentication due to surface challenges

Signature Style

Full name with typical looping script and characteristic upward-sweeping final flourish

Signature Characteristics

Fast execution, consistent upward slant, prominent loop formations on capital letters

Ink & Medium

Black felt-tip marker

Item Description

Vintage canvas and fabric baseball cap with embroidered lettering on the crown, signed directly on the curved brim

Estimated Value

150 to 300 USD

Comparison to Known Examples

Consistent general shape, though fabric distortion makes precise stroke analysis difficult

Authentication Tips

Examine the distinct upward flourish at the end of the signature and natural flow against known exemplars

Certification Recommendation

PSA/DNA or JSA

Red Flags

Slight bleeding into the fabric texture, which is common on hats but can occasionally mimic hesitation

Provenance Notes

Direct-from-player or in-person acquisition history significantly increases buyer confidence

Historical Context

Ken Griffey Jr. defined 1990s baseball culture and remains one of the most heavily collected players of his generation

Market Trends

Stable demand for 1990s baseball icons, particularly on display pieces

Investment Potential

Stable hold with modest upward potential as Hall of Fame memorabilia appreciates

Similar Autographs

Derek Jeter, Tony Gwynn, Cal Ripken Jr.

Display & Preservation

Display in a UV-protected dome or shadowbox away from direct sunlight to prevent further fading

Interesting Facts

Griffey's swing and signature were both among the most iconic of the 90s boom era

Identified on 8/20/2026
Ken Griffey Jr. | Autograph Identifier