Four original unsigned sketches by Brando, depicting various aspects of his ‘retreat.’ Three are in green, red, and black ink on individual off-white 6 x 4 sheets, and show an overall layout of the camp, a treehouse-type structure, and another more abstract diagram. The fourth is a pencil sketch on an off-white 6 x 5.5 sheet, showing an aerial view of a lake surrounded by trees and teepees. Also includes the remaining unused portion of his 6 x 5.5 sketchpad. In overall fine condition. Provenance: Marlon Brando’s business manager and lifelong friend JoAn Corrales. Accompanied by a letter of provenance from Corrales. RR Auction COA.