I find this Artist very unique. His name is J.S.G. Boggs. I learnt about him from one of my Prof.
His Art pays, literally 
. Basically he draws 1-sided dollar bills which resemble the real one. The resemblance is just amazing. In his* ‘poverty’* days, he was once sitting in a cafe. He ordered some breakfast. While eating, he took out his supplies and started drawing a $20 bill on a paper. When he finished and the waitress asked him for bill, he asked her “Wouldn’t you rather have a unique $20 bill instead of the real one?”
She replied, “What do you mean?”
He said “How would you like to have a hand drawn $20 bill for this breakfast?”
She accepted it and that is how he paid for some of his things back then :D.
He was also involved in a case with U.S. Government and was taken to court for making illegal ‘copies’ of dollar bills. You know what he said before he was released without being charged? He said “No, YOU make copies. I hand draw them, hence, mines are originals. YOUR’s are copies”
Smart dude eh 
I think his work can be purchased. One of my Prof, who told us about him has his $1 Bill which he bought for $100.
Here’s one of his drawing:
You can read more about him here.
