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$249.99
"Dutch Astronomer" Hendrik C. van de Hulst Signed Album Page
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$249.99
RARE! "Radio Navigation" Donald G Fink Hand Signed FDC Dated 1964
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$175.00
Tim Berners-Lee HAND SIGNED Matted Cut & Photo World Wide Web Internet Autograph
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$399.99
"Chinese Anthropology" Jia Lanpo Hand Signed Announcement
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$1514.73
Nobel Prize Winners (21) autographs, signed book
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$45.00
James Rainwater (1975 Nobel Prize Physics, Manhattan Project) Hand Signed Card
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$165.00
Steve Woz Wozniak SIGNED 5.25" Apple Floppy Disk Founder PSA/DNA AUTOGRAPHED
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$395.00
Francis Crick Signed Albert Einstein First Day Cover Envelope (FDC)
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$46.99
Christian B. Anfinsen Signed 8 x 10 Photo / Autographed Nobel Prize Chemistry
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Edward L. Tatum "Nobel Prize in Medicine 1958" Signed Photograph ''Rare''
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$39.95
Linus Pauling SIGNED AUTOGRAPH Bookplate Note
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$39.99
Glenn T. Seaborg Chemist signed autographed photo AMCo COA 19742
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$789.99
Tim Cook Signed 8x10 Photo JSA LOA #XX83915 GRADED A 10! Apple CEO Steve Jobs
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$199.99
"Archaeoastronomy" Maud Makemson Hand Signed TLS Dated 1964
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"Mammalian Genetics" Elizabeth S Russell Signed TLS Dated 1958
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$399.99
RARE! "Physicist" Lorin Blodget Hand Written Letter Dated 1890
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$115.00
Steve Woz Wozniak SIGNED 8x10 Photo Jobs Apple I Computer PSA/DNA AUTOGRAPHED
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$39.00
+Jean-Michel Cousteau Son Jacques Signed 1st Day Cover Letter Autograph JSA COA
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$64.99
BOGO!! Vint Cerf Hand Drawn Blueprint Sketh Signed Autograph Internet Creator
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$68.99
William Whewell 1794-1866 Signed Clip / Autographed Coined Word "Scientist" etc.
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$159.99
Richard Dawkins Author Biologist Creationism Signed Autograph Photo Display JSA
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$45.00
Shimon Peres (President / Prime Minister Israel Nobel Peace Prize) Signed FDC
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$89.00
Dr. Henry Lee Autograph PSA/DNA Signed Business Card Forensic Pathologist
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$15.99
Gerry Griffin signed autographed index card! AMCo! 11240
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$125.00
1979 ALBERT EINSTEIN FDC COVER SIGNED BY GREAT PHYSICIST JOHN A. WHEELER Fine
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$17.99
Cyril Clemens Signed Letter 1969 / Autographed Writer / Mark Twain
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$19.99
MICHAEL DeBAKEY signed 5x7 photo | Surgeon/Doctor - Autograph
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$699.99
RARE! "Father of Hepatology" Hans Popper Hand Signed 3X5 Card
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$399.99
RARE! "Anatomist " Charles Sedgwick Minot Clipped Signature
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$599.99
"Nobel Prize in Literature" Louise Glück Signed Announcement COA
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$199.99
RARE! "Nuclear Expert" Gerald Johnson Signed TLS Dated 1961
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"Lipoprotein Metabolism" Dick Van der Horst Signed Album Page
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$45.00
Edward Ginzton Signed Photo Autographed Scientist Engineer
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$179.99
Astrophysicist Neil deGrasse Tyson Signed Autograph Accessory to War Book - Rare
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$135.00
E.O. WILSON SIGNED 8x10 PHOTO CELEBRATED ANT EXPERT BIOLOGIST RARE BECKETT BAS
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$19.99
Sheldon Glashow (nobel prize physics 1979) autograph on card [S.4589]
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$95.00
Steve Woz Wozniak SIGNED 8x10 Photo Apple I Computer founder PSA/DNA AUTOGRAPHED
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$79.99
VINT CERF Signed 8X10 Photo - Father of the Internet -Google VP TCP/IP -BECKETT
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$199.99
"Mammalian Developmental Genetics" Elizabeth S. Russell Signed TLS
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"Nobel Prize in Medicine" Baruj Benacerraf Hand Signed Study COA
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$79.00
+Jean-Michel Cousteau Son Jacques Signed 1st Day Cover Letter Autograph JSA COA
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$35.00
Johannes Georg Bednorz (Nobel Prize Physics 1987) Hand Autographed Signed Photo
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$3172.44
Steve Wozniak Woz Signed Apple II Floppy Disk Drive Autographed
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$39.00
Jimmy Carter (Nobel Peace Prize 2002) Very Large Hand Autographed Signed 5 X 5
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$75.00
Martin Cooper Autograph PSA/DNA Signed Invented the Cellular Phone
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$127.49
NEIL DEGRASSE TYSON HAND SIGNED AUTOGRAPHED 8x10 PHOTO ASTROPHYSICIST PSA COA
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$59.95
NIKOLA TESLA AUTOGRAPH artistic display Electrical Genius
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$99.99
"Nobel Prize in Medicine" Craig Mello Signed 4X8 Color Photo
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$124.95
2x Nobel Prize Linus Pauling Signed Autograph 3x5 Index Card - JSA - FREE S&H!
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$4985.97
Stephen Hawking PHYSICIST COSMOLOGIST AUTHOR DIRECTOR autograph, signed book
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$124.95
Juan Guiteras SIGNED AUTOGRAPH Letter Cuban Physician Yellow Fever Cuba 1897
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$190.00
Steve Woz Wozniak SIGNED NEW Apple HD High Density Disk Mac PSA/DNA AUTOGRAPHED
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$99.99
"Nobel Prize in Economics" Eric Maskin Hand Signed 8X10 Color Photo COA
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$149.99
"Nobel Prize for Chemistry" Gerhard Herzberg Signed 5X7.5 B&W Photo
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$99.99
"Menninger Clinic" Karl Menninger Hand Signed Album Page
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$19.99
ED LOGG autograph VIDEO GAME DESIGNER Asteroids Centipede ATARI signed card
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$46.99
William Radcliffe Birt Signed Letter 1862 / Autographed Astronomer John Herschel
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$129.99
"Voyager Program" Harold Masursky Signed 3X6 Card Dated 1921
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$5.00
VINTAGE AMERICAN BANK NOTE Co. ENGRAVING: THOMAS A. EDISON
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$59.95
BILL GATES & WARREN BUFFETT AUTOGRAPHS artistic display Just Billionaires
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$64.95
STEVE JOBS AUTOGRAPH framed masterly display Think Different
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$295.00
Steve Woz Wozniak SIGNED $2 Dollar Bill Apple II Founder PSA/DNA AUTOGRAPHED
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$30.00
PETER TSAI autograph INVENTOR N95 SCIENTIST HERO business card signed RARE
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$99.99
"Nobel Prize in Medicine" Harold E. Varmus Signed 4X6 Card COA
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$110.00
VINT CERF INTERNET CREATOR PSA/DNA Autographed Hand Drawn Blueprint Sketch
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$2999.99
Linus Pauling Mossbauer Peter Debye Emilio Segre 23 Nobel Prize Signed Autograph
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$85.00
DON WETZEL SIGNED 8x10 PHOTO INVENTED AUTOMATIC TELLER MACHINE ATM BECKETT BAS
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$45.00
Charles Townes (Nobel Prize Physics 1964) Hand Signed Sweden Nobel Prize FDC
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$399.00
TIM COOK SIGNED 8X10 PHOTO AUTOGRAPH APPLE CEO w/ AutographCOA ACOA COA
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$149.99
"Nobel Prize In Chemistry" Gerhard Herzberg Signed 8x5 B&W Photo COA
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$39.00
Sydney Brenner (Nobel Prize Medicine 2002 ) Hand Autographed Signed Photograph
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$75.00
Peter Schultz PSA Autographed Signed Business Card Chemist Scripps Research
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$900.00
Steve Woz Wozniak SIGNED Apple Co Partnership Agreement Jobs PSA/DNA AUTOGRAPHED
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$60.00
Sir Robert A. Hadfield Invented Manganes Steel & Silcon Steel Autograph ''Rare''
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$75.00
Donald Wetzel Autograph Business Card Signed PSA Holds The Patent ATM Machine
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$64.95
BILL GATES & WARREN BUFFETT AUTOGRAPHS framed artistic display Just Billionaires
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$39.99
Jack Kilby Signed Index Card Autographed / Inventor Transistor
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$100.00
Vint Cerf Autograph Internet Creator PSA Signed Jane's Drawn Computer Sketch
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$3500.00
"Genius of Britain" SIGNED by Stephen Hawking w/ His Thumbprint - Christie's COA
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$49.99
Michael Smith Signed Photo / Autographed Nobel Prize DNA
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$48.99
Alfred Kastler Signed Article / Autographed Nobel Prize Physics
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$79.00
Neil DeGrasse Tyson signed 5x7 Color Photo JSA COA Rare Auto B1495
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$300.00
AUGUSTE PICCARD - TYPED LETTER SIGNED 12/28/1960
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$149.99
"Nobel Prize in Physics" Luis Alvarez Hand Signed 3X5 Card
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$875.00
British Physicist Michael Faraday Autograph Letter Signed
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$40.00
Philip Warren Anderson Signed 3x5 Index Card Signature Autographed Nobel Prize
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$110.00
Steve Woz Wozniak SIGNED Replica Apple I Computer Schematic AUTOGRAPHED Founder
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$2950.00
BILL GATES PSA,LOA, SIGNEDPOSTCARD,PLUS LETTER SIGNED MICROSOFT CERTIFIED 2-2024
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$14.99
Vinton Vint Cerf Signed Business Card Internet
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$5.99
Vint Cerf Signed Autographed Auto 4x6 Photo Inventor of the Internet
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$360.00
HUDSON MAXIM - SIGNATURE(S) 05/28/1904 CO-SIGNED BY: THOMAS W. HIGGINSON
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$69.99
The Science of Seeing, by Luckiesh and Moss (SIGNED by both authors) 1st, 1937
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$199.00
Atari #3 Employee Allan Alcorn Autograph Hand Drawn Pong Sketch Nolan Bushnell
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$300.00
Steve Woz Wozniak SIGNED ROMLB Baseball Apple Computer INSC PSA/DNA AUTOGRAPHED
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$325.00
1862 British Paleontologist Sir Richard Owen Regrets his Short Visit to Liverpoo
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$119.00
Alfred Smee 1818-1871 Signed Clip / Autographed Inventor, 1st Suggested Computer
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$399.00
Denton Cooley signed Rawlings OML Baseball Beckett BAS LOA Auto Surgeon A2858
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$789.99
Tim Cook Signed 8x10 Photo JSA LOA #XX83913 GRADED A 10! Apple CEO Time Magazine
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$149.99
"Astronomer" Donald Osterbrock Signed FDC Dated 1948
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$399.99
"Plate Tectonics" Keith Runcorn Signed Announcement Dated 1987
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