Platinum 25 Franc coin (2022 Swiss Mint)
In a first for the Swiss Mint, they're issuing a platinum coin. Struck in 13.89 grams of 0.9995 platinum, it's not only is made of the metal, it has it as its subject as well. The reverse face of the coin consists of a mix of chemical symbolism and data, including the metals atomic weight, position in the [...]