Take pride in that big brain of yours and tell the world that you're smart and not afraid to show it. A handsome print of Einstein's Theory of Relativity with 2 United States mint postage stamps of Albert Einstein is matted and placed in a black wood wall frame. These US stamps were issued in 1966 and 1979. 14" h x 16" l. A Certificate of Authenticity is included. Allow 2-3 weeks for delivery. No rush delivery or gift box.