These Monte-Carlo roulettes are some of my favorites too! (Still looking for the "Girl with boquet" in any color to complete my design set.)

When Chipco designed these, they borrowed artwork themes on at least 4-5 of the chips from art deco era travel posters of the 1930's period.
You can see reproductions of these posters here (among some other poster too).

http://www.allposters.com/-st/Monaco-Travel-Ads-Vintage-Art-Posters_c50077_.htm