hello daveindeal
i have my home foundry with a gaz oven and another one electrique.
i did lost wax technique and it's expensive.
i did my homemade geocoin (upik nuannertoq) with a lot of detail, 100 coin.
with the materiel (crucible, polishing kit,gaz,ceramic shell, petrobond,clear, laser graving......),my time and the activation code; the prize of the coin is expensive
i sell it for 20$ shipping included and i don't make $, still some coin left.
my next geocoin( the beluga ?) a do 50 coin, because it's too much work and i dont want stay with it.
the price gone be lower too.
ungaze your recycling aluminum because you gone have some bubble in your coin.
keep one coin for me.
bye
michel