Metal Doubloon Coins for Libertalia (set of 54)
These 54 thick metal doubloon coins were designed specifically for Libertalia: Winds of Galecrest (the game includes cardboard coins). There are 24 copper-colored $1 coins, 18 silver-colored $3 coins, and 12 gold-colored $5 coins, each with the same image on both sides.
These would also work for Five Tribes, Istanbul, Maracaibo, 7 Wonders, and Isle of Skye.
This is an official set produced by Stonemaier Games.