Since 2015, The Royal Canadian Mint's Bullion DNA system has available the highest amount of protection obtainable for bullion coins. Every single bullion coin includes a textured maple leaf protection privy mark micro-engraved with laser technologies that's only obvious below magnification, in conjunction with two digits symbolizing the coin's output https://trentongvatr.snack-blog.com/26677451/the-2-minute-rule-for-2020-1-oz-canadian-silver-maple-leaf-coin