if you google, and look at the pictures you can see plenty of examples https://www.google.com/search?biw=1093&bih=469&tbm=isch&sa=1&ei=CsjVXP6DOIKJ5wKprqHYDA&q=novelty cent stamped state outline&oq=novelty cent stamped state outline&gs_l=img.3...27711.28504..28634...0.0..0.78.536.8......1....1..gws-wiz-img.Jc4AcqMEyBE Anyone can purchase a metal stamp of various (anything) design and use a mallet and whack and image on a coin. In this case, state stamps even of various sizes
