A little too classic
This is both perplexing and brilliant. Money is used to acquire food, but we seldom consider it in reverse. Of course, the biggest question that comes to mind with this image is: how can you get the egg out without breaking the yolk?

Whatever person paid with an egg was attempting to return to more traditional times. This wouldn’t be so strange in the past when all interactions were settled via barter. However, this wouldn’t work at a restaurant…