全部拍賣 / Medals, Arms & Armor / 'GPS- But- Where are you going?' GPS Inventor - Bradford Parkinson Autograph
'GPS- But- Where are you going?' GPS Inventor - Bradford Parkinson Autograph
Bradford Parkinson signed this photo, authenticated by Beckett, accompanied by its certificate of authenticity and its unique number which is affixed to the signed photo and listed on Beckett's website. Bradford Parkinson is an aerospace engineer and a colonel in the United States Air Force, the creator of the GPS system. In addition to signing this photo, Mr. Brad Parkinson added this rare inscription In perfect conditio
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