Typed DS, one page, 8.5 x 11, March 23, 1949. A document confirming Bogart’s approval of Stuart Heisler as director of the film Chain Lighting. The 1950 movie, the actor’s last for his longtime studio, Warner Brothers, starred Bogart as an ex-bomber pilot–turned–freelance daredevil. In very fine, clean condition. PSA/DNA LOA and R&R COA.