Roy Lichtenstein - Triptych 'As I Opened Fire'. - Verkauft

Lichtenstein Roy (after): Triptych 'As I Opened Fire'. This is the first (old) edition. Issued between 1965 and 1972 in two editions of a total of 3,140 copies by the Stedelijk Museum of Amsterdam following an exhibition of Lichtenstein who gifted the original on canvas to the museum (still to be seen).
After his death in 1997, several editions were issued by S.M.A. but these mention besides his year of birth also his year of death (1923-1997).
The later edition are also smaller (52.3 x 64) and on thinner paper than the old edition, and there is also a slight colour difference.
Perfect condition, 53.3 x 64 cm (21 x 25.2 inch).
Each print has two stamps on verso as can be seen in the photos.
In total 3 prints
The prints are NOT signed