20 Dec AN INCLINED PLANE, WEDGE OR STOP. 1998.
Glasgow: s.p. (Bellingham), 1998 14 x 2 x 2cm, wooden commercially manufactured door wedge with attached label with the text: "AN INCLINED PLANE, WEDGE OR STOP. A FALL AWAY FROM THE VERTICAL.". Signed on the label by Bellingham. All in a yellow draw string bag. Limitation unknown....