$1 1957-A Silver Certificate STAR AUTOGRAPH - C. DOUGLAS DILLON AUTOGRAPH Superb Gem

Clarence Douglas Dillon was an American diplomat and politician, who served as U.S. Ambassador to France and as the 57th Secretary of the Treasury. He was also a member of the Executive Committee of the National Security Council during the Cuban Missile Crisis. 

His signature appears on a giantly margined replacement silver certificate.