Den Prints 4 and 5 Two handwritten documents (2 pages each) assessing 10 reels of the film. They are entitled 'Den Print 3 and Den Print 4 respectively and list the reel numbers and have comments on the quality of the film. Den print 3 includes the instructions 'Print Darker (12)' on page 1 and 'Ask Bob [Marro] about Density Fluctuations' on page 2. Den Print 4 ends with the instruction '#1 To Bob Marro'. The handwriting is not Kubricks. [Den probably stands for Denham Labs where Bob Marro worked]. 1974