Albert Einstein signed formula

Albert Einstein was a German-born theoretical physicist and Nobel laureate who developed the theory of relativity, a cornerstone of modern physics. He also made a significant contribution to quantum mechanics. Born March 14, 1879, and died April 18, 1955. This formula is signed and dated by Mr. Einstein. It is double matted to 14×18 with a great photo, framed and ready to hang. Comes with a U.S. Supreme Court-compliant COA from a board-certified and court-approved forensic handwriting examiner.