Friedberg
v/61, 1961
Price on Request
paradox p2 , 1985
paradox p1 , 1985
t2 reverse, 1987
t2, 1987
elliptical variant V, 2017
drehgrafik, 1964
untitled, 1999
untitled (mäander) , 1985
décollage pur und gravé 1959 VII 16, 1959
betrachtungen, 1997
meditationes, 1999
kanzlei, 1995
formulare
big form blatt 2, 1996
big form blatt 5, 1996
