Clowns trademark faces by painting them on eggs.

You may have seen the clown episode of Columbo wherein it is revealed that there is a registry of painted eggs used by clowns to trademark their appearances. I have long wondered whether this is true and whether the practice continues. I decided to look it up after watching an episode of Psychoville, a funny show by some of the creators of League of Gentlemen. I did indeed get my answer:

http://www.flickr.com/photos/lukestephenson/sets/72157606703952187/show/