We've seen penny tiles
in the kitchen before, but in this case it's literal. One industrious kitchen owner glued a whole lot of pennies to a board, which was then installed as a backsplash. See more photos below:
Unfortunately, we don't know too much about the project, but according to the notes on the album linked below, it looked painful. (So many pennies to push and glue down!) So, maybe only for the truly dedicated, huh?
See More Photos: Penny Backsplash | Belaforce
Related: Penny Tile in the Kitchen: 8 Pretty Backsplashes and Floors