Pink Floyd David Gilmour Autographed Signed 11x14 Framed Photo Ummagumma ACOA (Item #157504). This 11x14 custom framed display has been professionally matted with a 7x7 album cover photograph and an authentic signature cut which has been hand signed by legendary musician David Gilmour himself. The signature is third-party authenticated and certified by the top music autograph experts at AutographCOA (ACOA) Authentication. Actual signature cut may vary, and every autograph we offer has been reviewed, verified, and certified by third-party autograph authentication experts. If you would like to see a picture of the exact autograph you will receive, feel free to message us.