signed and dated 'Richard Nonas '85' on the reverse of the twelfth part

oil, acrylic, graphite and ink on paper, in 12 parts

each 13.7 x 21.2 cm (5 3/8 x 8 3/8 in.)
overall 42 x 87 cm (16 1/2 x 34 1/4 in.)

Executed in 1985.