This lithograph by Sandra Blow was made in 1973. It is printed in six colours on a sheet of white wove paper and was published by Design Research Unit, London. This has been Numbered ‘4 ‘ by hand, of a possible edition of 20 copies. Signed in plate only,not by hand. The blue square does have a small white printing mark, else in very good condition.
Sheet size 255 x 301mm
I understand from my source, that there were 20 copies which were numbered.