Categories OPPENHEIM, DENNIS prints DENNIS OPPENHEIM, Extended Expressions, [Blatt I], 1977 Post author By admin Post date 03/07/1977 DENNIS OPPENHEIM, Extended Expressions, [Blatt I], 1977 76 x 56 cm offset, signed, dated edition unknown published by Griffelkunst, Hamburg, Germany By admin ....the real avant-garde is in the head. View Archive → ← JOSEPH BEUYS, Diebstahl, n.d. [between 1974-1977] → DENNIS OPPENHEIM, Go-Between, [Blatt VI], 1977