The complete set of four etchings in colours, on Arches paper, with full margins.

1981

all I. 39.9 x 32.7 cm (15 3/4 x 12 7/8 in.)
all S. 60.5 x 50 cm (23 7/8 x 19 5/8 in.)

All signed and numbered 28/100 in pencil (there were also 10 artist's proofs for Spring, Summer and Autumn, and 15 for Winter), published by Christie's Contemporary Art, London (with their blindstamp), all framed.