With two stars, two squares and a circle backplate and door knob set to choose from, you can create some of the most famous mid-century style doors out there, including the Mad Men office door knob.
From the Rejuvenation site:
Many mid-century modern doors were flat-paneled and plain. Character came from interesting handles, backplates and doorbells: stars, squares, circles of silver, gold or brass. Our Mid-Century Modern Collection perfectly captures that refined, yet fun, essence.reproduction mid-century door knobs, but they are the first that I've seen to bring back the star look, with the Atlas and Titan entry set.