Richard Long (b. 1940)

First a circle 100 cm. radius is drawn very lightly on the wall. It is then marked horizontally, vertically, and at 45 degrees on the circle and 8 XXX symbols are painted in first around the perimeter, brush lettering, by a signwriter. All writing inside circle in black, all the same size, and vertical. The title is the same size in red, on the left side, centred. (Richard Long, Certificate for Full Moon Circle of Ground)