One collotype and lithograph in colors and one collotype in colors, on Rives Couronne paper, the full sheets.

1971

both S. 29 1/4 x 21 3/4 in. (74.3 x 55.2 cm)

Both signed and numbered 639/999 and 632/999 in pencil respectively, published by Edition 999, Zurich, both unframed.