Units currency

I made this currency as a tool to use in a process to mass produce metal coins. To use this as a stamp for making a mold of money, print it and than glue a screw or wooden dowel to the back or flat side. This is used so you can pull it out of the clay. Then, to make the mold, get a block of clay and press is ALL the way(not counting the screw) as many times as you want. This mold will then dry and have the imprint of the coin. This mold can hopefully be used to cast molten aluminium from melted