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Electrical PIONEER Frank Julian Sprague SIGNED U. S. Naval Academy CABINET CARD
$2500.00
Chernobyl Engineer who stopped a Nuclear Disaster Oleksiy Ananenko Signed
$25.00
Steve "Woz" WOZNIAK Signed Autographed Apple USB 56K Dialup Modem
$85.00
Steve Wozniak Apple Woz Autographed 8x10 Photo Signed PSA/DNA COA Computer 700
$89.99
Steve Woz Wozniak SIGNED $2 Dollar Currency Encapsulated PSA AUTOGRAPHED Apple
$355.00
Albert Einstein - Photograph Signed - Smiling to Camera - Inside PSA/DNA Holder
$8750.00
Dr. Carl Sagan Signed Receipt *Hotel Carlyle* PSA Authentic! ROOM SERVICE
$399.99
STEVE JOBS AUTOGRAPH artistic display Think Different
$66.95
RARE Elmer Ambrose Sperry SIGNED Letter 1927 / INVENTED Electrical Gyro Compass
$650.00
Saoirse Ronan Academy Award/ Hanna / Lovely Bones Signed Autograph Pink Card
$25.00
Authentic Albert Einstein pencil signed formula paper slip w/ family provenance
$2200.00
Sketch by Inventor Godfather of Internet Vint Cerf 4x5
$45.00
“Electromagnatic Radiation Pioneer" Oliver Lodge Hand Written Letter Dated 1925
$299.99
Robert Ballard signed autographed PSA DNA slabbed Allen & Ginter found Titanic
$199.00
"Nobel Prize in Physics" Leon Lederman Signed Business Card
$129.99
Dr. Edward Teller Father Of The H-Bomb Framed Signature W/ Photo
$275.00
Rare NIKOLA TESLA AUTOGRAPH
$3500.00
BILL GATES signed 1984 TIME magazine AUTOGRAPH IN PERSON auto JSA no label NL RC
$2900.00
Steve Woz Wozniak SIGNED Apple Co Partnership Agreement Jobs PSA/DNA AUTOGRAPHED
$900.00
Gao Xingjian (Nobel Prize Literature 2000) Hand Autographed Signed Card
$39.00
Sid Meier Autograph Signed Business Card Video Game Pioneer
$12.50
Astronomer James Epps Signed Letter 1839 to John Lee / Autographed
$21.99
neil degrasse tyson signed poster
$20.00
Martin Karplus (Nobel Prize Chemistry 2013) Hand Autographed Signed Photograph
$39.00
Edward William Brayley (1801-1870) Signed Lecture Notes on Meteors Autographed
$34.99
LEONARD KLEINROCK autograph INTERNET PIONEER ARPANET custom card signed
$49.99
Pong Video Game Creator Allan Alcorn Autographed 8x10 Photo Atari BAS Certified
$79.99
Edmond H. Fischer d. 2021 (Nobel Prize Medicine) Typed Signed Letter 1994 U of W
$49.00
Vint Cerf FATHER OF THE INTERNET SIGNED SKETCH Basic Internet Packet PSA DNA COA
$109.99
"Nobel Prize in Physics" Nicolaas Bloembergen Hand Signed 4X6 Color Photo
$199.99
"Nobel Prize in Medicine" Alfred Hershey Hand Signed 4X6 Card COA
$149.99
Jane Goodall autographed signed autograph Hear your Hearts framed 8x10 photo JSA
$288.88
Linus Pauling ( Nobel Prize Peace / Chemistry) Autographed Signed Photograph 1
$39.00
Sigmund Freud signed Cut JSA LOA Rare Inscribed Auto Neurologist Z1751
$3749.00
ALBERT EINSTEIN UFO LETTER (PSA) SIGNED / AUTOGRAPH
$19500.00
Steve Woz Wozniak SIGNED $2 Dollar Bill Apple Founder PSA/DNA AUTOGRAPHED MINT
$370.00
Steve Woz Wozniak SIGNED Apple I Computer Schematic Founder PSA/DNA AUTOGRAPHED
$280.00
Ronald Wayne Signed Autographed Auto 4x6 Photo Apple Co-Founder
$14.99
RARE! “Nobel Prize In Physics" Melvin Schwartz Hand Written Letter COA
$349.99
RARE “Nobel Prize in Medicine" Harold Varmus Hand Signed Announcement Dated 1986
$149.99
(RARE) Steve "WOZ" Wozniak signed 11x14 photo featuring Steve Jobs PSA/DNA
$1295.00
THOMAS A. EDISON - DOCUMENT SIGNED WITH ADDITIONAL AUTOGRAPHS
$1295.00
THOMAS EDISON * PSA/DNA * Autograph Custom LIGHT BULB Patent Card SIGNED
$1925.00
STEVE WOZNIAK AUTOGRAPHS FIRST DAY ISSUE 1983 ~ AMERICAN INVENTORS (FULL NAME!)
$995.00
THOMAS EDISON AUTOGRAPH SIGNED HANDWRITTEN NOTE CUSTOM CARD 1/1 INVENTOR JSA
$1199.95
Lewis Straus Chairman Of Atomic Energy Signed Letter -Oppenheimer Foe Dated 1964
$60.00
"Nobel Prize in Medicine" Baruj Benacerrf Hand Signed FDC Dated 1978
$149.99
Bob Lazar signed autographed PSA DNA slabbed Allen&Ginter Area 51 Flying Saucers
$249.00
