Ken Griffey Jr.

MLB Hall of Fame Center Fielder · Baseball - MLB

Seattle Mariners / Cincinnati Reds

1990s peak playing career

Official Major League Baseball

Near Mint - signature is bold and clear with minimal fading on a pristine baseball

Moderate signer during his playing career, highly sought after by modern collectors

Overall Assessment

A fantastic, classic sweet-spot signature of a beloved baseball legend, highly desirable for any modern sports collection

Likely authentic - strong flow and correct exemplar characteristics

Full name with emphasized vertical loops and distinctive sweeping baseline

Fluid upward loops, high writing velocity, natural hesitation-free connections, classic sweet-spot placement

Blue ballpoint pen, standard vintage formulation, stable with no bleeding

Standard cushioned cork center baseball with red stitching, signed cleanly on the sweet spot

$300 - $500

Matches standard certified examples from his 1990s Seattle Mariners prime

Look for smooth natural flow, distinct loops on the 'K' and 'G', and proper pen pressure consistency

PSA/DNA or JSA (James Spence Authentication)

No significant red flags observed; signature exhibits organic speed and flow

Direct acquisition history or accompanying ticket stub/photo proof adds considerable confidence

One of the defining baseball icons of the 1990s, famous for his iconic swing and 'Kid' persona

Stable and high demand, especially for sweet-spot signatures on official league baseballs

Strong long-term hold due to his Hall of Fame status and enduring popularity

Derek Jeter, Cal Ripken Jr., Tony Gwynn

Keep in a UV-protected acrylic display cube away from direct sunlight and moisture

Ken Griffey Jr. signed thousands of items during his career but maintained a remarkably consistent signature style

Identified on 8/26/2026