What do these 2 native americans have to do with coins?

holeinone1972

Ok this is probably a pretty easy question but what do these 2 following Indian Chiefs have to do with US coinage?

Chief Iron Tail of the Lakota Sioux and Chief Two Moons of the Cheyenne

Rob

ziggy29

Weren't they the model for the Indian on the Buffalo designs?

holeinone1972

I knew that was too easy.

here is more........ LINKY DINKY DOO.....

garsmith

So what did ziggy29 win for knowing the answer