Feeling irrational? It may be a sine to take a breath and trace pi’s digits by hand.
Trace the digits of pi on a substantial solid-copper coin with a smooth edge and an antiqued patina.
An irrational coin with a tactile finish
Pi, approximately 3.14159, is the ratio of a circle’s circumference to its diameter in Euclidean geometry. The coin turns that mathematical constant into a pocket-sized collectible, with digits you can follow by hand.
The copper blank is pre-tumbled before minting for a smooth edge, then given an antiqued finish. Each coin comes in wax-sealed packaging with useful and useless pi facts, minted in West Fork, Arkansas.
Back John Reyst on Patreon and get exclusive perks, early access to new products, behind-the-scenes content, and special discounts available only to patrons.
