Violin Solo
Immaterial Chessboard
Schmuckblatt-Telegramm
Picture telegram (cover) — anaglyphic print of a stereo anamorphotic drawing inside. Edition of more than 500.000 copies; German Federal Postal Service, Bonn 1989.
Sold out — collector’s inquiries welcome.
Immaterielles Schachspiel
Immaterial Chessboard (cover) — anaglyphic print of a stereo anamorphotic drawing inside. Limited Edition of 750 numbered and signed copies, 1981.
Out of print — collector’s inquiries welcome.
