Gemini Insulation. An approximately 2x3 inch triangular segment of Gemini Capsule insulation mounted onto an 8.5x11 inch cert...

Gemini Insulation. An approximately 2x3 inch triangular segment of Gemini Capsule insulation mounted onto an 8.5x11 inch certificate that reads in part: "This is to certify that the attached material is a section of thermal blanket that was attached to a Gemini Capsule 'boilerplate' that was used in America's second manned space program for test purposes." The certificate is signed by a member of the U.S. Space Education Association. (ECR) Np, nd