Autographs - The 100 Most Important Autographs in the Hobby (Any Medium) : John's Autographs Image Gallery

Short-print card w/ beautiful, blue, felt-tip signature

Short-print card w/ beautiful, blue, felt-tip signature

Stunning, bold signature in blue sharpie

Stunning, bold signature in blue sharpie

Bold, Gem Mint Signature!

Bold, Gem Mint Signature!

Rookie card - "Mr. October HOF 93" inscription

PSA encapsulated letter in Mack's hand with baseball content c. 1951.

Pre-rookie card & PSA 9. Pop 1 with 2 higher. Total pop of 7.

Pre-rookie card & PSA 9. Pop 1 with 2 higher. Total pop of 7.

1940 PLAY BALL 88 MEL OTT OTT, MEL MINT 9

Pop 5 w/ only 3 higher! Rare, on-card auto and PSA Authentic due to clearly being trimmed but an attractive, amazing piece nonetheless! From the famed Uncle Jimmy Collection!

1940 PLAY BALL 88 MEL OTT OTT, MEL MINT 9

Pop 5 w/ only 3 higher! Rare, on-card auto and PSA Authentic due to clearly being trimmed but an attractive, amazing piece nonetheless! From the famed Uncle Jimmy Collection!

Incredible, museum-worthy, C. 1957 Type 1 photo w/ period autograph. This is a head shot of Jack, his senior photo as published on page 34 in volume 33 of the Norwester, the 1957 Upper Arlington High School yearbook, and likely the earliest known example of a period-autographed, Type I, Nicklaus photo.

Incredible, museum-worthy, C. 1957 Type 1 photo w/ period autograph. This is a head shot of Jack, his senior photo as published on page 34 in volume 33 of the Norwester, the 1957 Upper Arlington High School yearbook, and likely the earliest known example of a period-autographed, Type I, Nicklaus photo.

Incredible, museum-worthy, C. 1957 Type 1 photo w/ period autograph. This is a head shot of Jack, his senior photo as published on page 34 in volume 33 of the Norwester, the 1957 Upper Arlington High School yearbook, and likely the earliest known example of a period-autographed, Type I, Nicklaus photo.

Incredible, museum-worthy, C. 1957 Type 1 photo w/ period autograph. This is a head shot of Jack, his senior photo as published on page 34 in volume 33 of the Norwester, the 1957 Upper Arlington High School yearbook, and likely the earliest known example of a period-autographed, Type I, Nicklaus photo.

Incredible, museum-worthy, C. 1957 Type 1 photo w/ period autograph. This is a head shot of Jack, his senior photo as published on page 34 in volume 33 of the Norwester, the 1957 Upper Arlington High School yearbook, and likely the earliest known example of a period-autographed, Type I, Nicklaus photo.