The most important item for minting coins is a Top Die, as this is the part determining what the coin will depict.
The first step to making a Top Die is knapping your desired motive into Beeswax. This will require 4 pieces of Beeswax for any of the available stamp types.
Once you have crafted a Wax Die, you can turn it into an Unfired Die Mold.
Yellow White****
By heating the Wax Die, you get a Die Mold with your chosen stamp. This works like any other mold, needing to be filled with one ingot of liquid metal.
Tier I
Far easier to make is the Bottom Die. You can use any tool-grade metal, like with the Top Die, but it can only be made at an anvil.
Following are the wax knapping recipes for all currently implemented stamp types.