Formed in 1979, Sunshine Mint (SMI) boasts centuries of cumulative experience. As a full service minting facility it is a well respected industry leader and has helped refine global standards. With a proven track record for quality and innovation, Sunshine Mint is a key player in the bullion sphere. SMI brand bullion products now have the new and innovative Mint Mark SI™ security feature. Mint Mark SI™ is an exclusive Scrambled Indicia security feature for all SMI brand bullion products.