Casson (Hugh) Autograph letter signed ('Hugh & Reta') in Casson's hand, addressed to Jim Cadbury-Brown and thanking him for a "super party", also featuring an original pen and ink sketch by Casson on the upper part, one page, large 4to, mounted, 375 x 35mm ; together with a pen ink and wash study on paper of Corpus Christie College, Cambridge, mounted, framed and glazed, overall size 340 x 430 mm (2)