Here is a picture of my old mount, if I can do this.
Bear in mind that these mounts were holding the full weight of the cab while it was off the frame for 6 months so they are extra flat. https://picasaweb.google.com/111413431667404132006/4748RearCabMountBumpers#5785460135333648914
thanks Jim D


pictures below
https://picasaweb.google.com/111413431667404132006
Jim D - '48 GMC 1ton pickup