| Description | /1. 1 x ts. letter with ms. addition, 5 March 1966, from Siegfried Rosengart of Galerie Rosengart, Lucerne, to Roland Penrose, 1p.
/2. 1 x ts. letter, 10 March 1966, from Roland Penrose, to Siegfried Rosengart of Galerie Rosengart, Lucerne, 1p. |