| Description | /1. 1 x ts. letter, 15 February 1967, from Sheldon Williams, London, to Roland Penrose, 2p.
/2. 1 x ts. letter with ms. additions, 22 February 1967, from Roland Penrose, to Sheldon Williams, 1p.
/3. 1 x ts. letter, 22 February 1967, from Sheldon Williams, London, to Roland Penrose, 3p.
/4. 1 x ts. letter (2 x copies), 1 March 1967, from Roland Penrose, to Murray M. Weiss, Paris, 2p. |