The Howco International Campaign Kits are wonderful examples of high class print marketing for low class movies (hey, I still love them). These folder-styled pressbooks, around 11" x 17" in format, are colorful and simple, but the paper quality is high and the impression of the overall presentation is impeccable, especially when you consider they were targeted to drive-in venues. The main attraction's marketing sheets–poster admats and publicity information–were placed in the left side pocket, and the second attraction's sheets were situated on the right.
(And…The Brain From Planet Arous is one of my guilty pleasures, especially because of John Agar. For me he epitomized the 1950s and 1960s B-move wave of science-horror.)