| Description | /1. 1 x ts. letter, 4 December 1964 - 26 May 1965, from the Hanover Gallery, London, to Roland Penrose, 3p.
/2. 1 x ts. letter, 26 November 1969, from James Scott, London, to Roland Penrose, 1p.
/3. private view invitation, 9 February 1976, 'Richard Hamilton / Dieter Roth Collaborations' at the ICA New Gallery, London |