| Description | /1. 1 x ts. letter with ms. addition by Roland Penrose, 26 July 1967, from Ediciones Polígrafa, S.A., Barcelona, to Roland Penrose, 1p.
/2. 1 x ts. letter, 14 January 1969, from Ediciones Polígrafa, S.A., Barcelona, to Roland Penrose, 1p. |