https://www.reddit.com/r/classicfilms/comments/1v4oxom/bogie_and_john_huston_look_like_they_must_have/

John Houston with a cigarette in his mouth as he sits at a Royal KMM typewriter on the set of The Treasure of the Sierra Madre (Warner Bros. Pictures, 1948). He looks up to his right at Humphrey Bogart who is leaning over to look at the page in the typewriter.