PFAS86 This is a 6" x 4" hand signed photo for Gerd Binnig who has personally hand autographed the souvenir where his signature rests perfectly accompanying his portrait in mint condition and undedicated too.
Gerd Binnig is a German physicist. He is most famous for having won the Nobel Prize in Physics jointly with Heinrich Rohrer in 1986 for the invention of the scanning tunneling microscope.