Science Inventor

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Authentic Albert Einstein Pencil Signed Formula Paper Slip W/ Family Provenance

USD 2200.00

Bill Gates Signed Autographed Psa/dna Slab Slabbed Cut Autograph

Bill Gates Signed Autographed Beckett Slab Slabbed Cut Autograph

Jane Goodall Autographed Signed Autograph Reason For Hope Hardcover Book Jsa Coa

Sir David Attenborough Signed Auto Planet Earth Art Card Psa Dna Certified

Bill Gates Signed Cut Psa Certified Autograph Rare Auto

Robert Ballard Signed Autographed Psa Dna Slabbed Allen & Ginter Found Titanic

Vint Cerf Autograph Hand Drawn Sketch Of Internet Creation Psa Dna Signed

1927 “frederick S. Duesenberg” Signed Letter To Chrysler Engineer "carl Breer"

USD 1500.00

Bob Lazar Signed Autographed Psa Dna Slabbed Allen&ginter Area 51 Flying Saucers

Jane Goodall Signed 4x6 Photo Beckett Coa World Renowned Primatologist Autograph

Vint Cerf Father Of The Internet Signed Sketch Basic Internet Packet Psa Dna Coa

Jonas Salk Signed Autograph Custom Trading Card Developed Polio Vaccine Bas Slab

Charles W Mayo Signed Hankerchief-mayo Clinic -nations Top Hospital

Bob Lazar Signed Autographed Psa Dna Authentic 5x7 Photo Area 51 Flying Saucers

Albert Einstein * Psa * Autograph Candid 1950 Photograph Portrait Signed Type 1

USD 7995.00

Steve Jobs Autograph Artistic Display Think Different

Steve Woz Wozniak Signed Apple I Computer Schematic Founder Psa/dna Autographed

Exceedingly Rare Twice Signed 5x7 Photo 2x Nobel Prize Winner Linus Pauling Coa

Vint Cerf & Martin Cooper Autographs & Hand Drawn Sketches Visionary Inventors

Steve Jobs Autograph Framed Artistic Display Think Different

Ilya Prigogine (nobel Prize Chemistry 1977) Autographed 2001 Nobel Prize Fdc

Denton Cooley Rare Business Card-signed -1st Implantation Of Artifical Heart Coa

B.f. Skinner (psychologist) ~ Signed Autographed Harvard Letter Bf ~ Psa Dna

Jacques Cousteau Signed 8x10 Photo French Oceanographer Underwater Documentaries

B.f. Skinner (psychologist) ~ Signed Autographed Harvard Uni Letter Bf ~ Psa Dna

Vint Cerf Father Of Internet Signed Basic Ip Packet Drawing Sketch Psa Dna Coa

Steve Woz Wozniak Ron Wayne Signed Apple 1 Computer Manual Psa/dna Autographed

Robert Ballard Signed Photo (psa) Discovered Titanic Wreck Oceanographer

Steve Jobs Signed 1976 Apple Check Psa Dna Graded 10 Gem Mint

USD 134995.50

Steve Woz Wozniak Signed Apple I Computer Schematic Founder Psa/dna Autographed

B.f. Skinner (psychologist) ~ Signed Science And Human Behavior Bf ~ Jsa Coa

Steve Woz Wozniak Signed Apple Hd High Density Disk + Insc Mac Psa Autographed

Steve Woz Wozniak Signed 8x10 Photo Apple Comp Contract Jobs Psa/dna Autographed

Lot 6 - U. S. Submarine Inventor "simon Lake" Signed Checks & Stock Certificates

James D. Watson Dna Nobel Prize, Signed Autograph, 3x5 Card. No Inscription

Ronald G Wayne Signed Apple Co Founder Apple Macintosh Photo Cut Auto Psa

Charles Townes Nobel Prize Invented Laser ,signed Fdc No Inscription.