This set already contains the exact amount of coins for the game Darwins Journey and is composed of:

28 x $1 coins in copper bath.
12 x $5 coins in aged gold.

Coin features:
20mm and 25mm diameter.
4g and 7g unit weight.

Our coins are made of Zamak alloy, resistant to bending, denting, and corrosion and are between 2mm to 3mm thick.