2 sheets: Forms in Progress (I and II)
Etching and aquatint in colours, 1971 .
Heidenheim 24 and 26. Both signed. Numbered 36/60 and 44/60 respectively. H. 26 dated. On Saunders. Each 49 x 62 cm (19,2 x 24,4 in). cm ( in)

H 26 with blindstamp of the publisher 'Edition de Beauclair'
Condition B. [HD]