Mark Decoder | Sunshine Minting

Copper • Note • 0.999 • United States

This is a Sunshine Minting Mark Decoder sold by Silver Gold Bull Canada. The decoder is designed to reveal the SMI "Mint Mark SI" security feature on Sunshine Minting bullion products, which is not visible to the naked eye. The decoder itself is not made of precious metal and is used to authenticate the security feature on Sunshine Minting products.