Concetto Spaziale. Wohl 1960er Jahre.
Aquatint and cut in paper.
Signed and numbered 91/99. On wove paper. 46,2 : 32 cm (18,1 : 12,5 in). Sheet: 60,7 x 46,5 cm (23,8 x 18,3 in).

Printed by 2RC, Rome (with blindstamp). [JS]
In good condition. With isolated tiny brown stains, one bigger in lower left.