(i) signed "ar penck" lower right
(ii-iii) signed with the artist's initials "a.r." lower right
(iv) signed with the artist's initials "a.r." lower right; further inscribed "BASEL" lower left

gouache on paper

each 8 1/4 x 11 1/4 in. (21 x 28.6 cm.)

Executed in 1980.