Flip the Elder Sign coin at the gaming table for d2 rolls and 50/50 choices. Or, carry it in your pocket as an ancient protective ward against the unsavory creatures of the material plane, especially the Deep Ones of Dagon and Mother Hydra.
This coin features the Elder Sign sketched by Lovecraft himself on one side and a "1" on the other. It is made of a zinc alloy and is 1 3/8” (35mm) from point to point and about 3mm thick. Available in your choice of gold, silver, or copper.