Baked enamel on convex metal sheet.

1974

20 x 30 x .2 cm (7 7/8 x 11 3/4 x 1/8 in.)

Signed in black ball-point pen on the Edition Staeck label on the reverse, one of 25 unnumbered copies (aside from the numbered edition of 80 and 20 artist's proofs in Roman numerals), published by Edition Staeck, Heidelberg.