Back in 1993, an interesting documentary titled "Money Man" was made about currency artist J.S.G. Boggs. I don't know if it's still available.

http://www.imdb.com/title/tt0104909/

Here is a short YouTube clip from the film: http://www.youtube.com/watch?v=gEtKSqzpj0Q

Searching images for "jsg boggs art" returns some of his work.