MINTSHIELD™

A proprietary technology developed by the innovative minds at the Royal Canadian Mint, MINTSHIELD™ is the world's first and only proven solution for reducing white spots on every Silver Maple Leaf bullion coin dated 2018 or later.

Tackling a Persistent Problem

White spots, also known as "milk spots,” on silver bullion coins have been a concern for mints and investors around the world for years. While they in no way alter precious metal content, they do affect a coin's aesthetic appeal.

Solving the white spot challenge

MINTSHIELD™ is proven to significantly reduce the appearance of white spots. Invisible to the eye and having no impact on the coin’s purity or composition, our patented technology tackles the root of the cause, reducing the appearance of white spots for years.

Scientifically Proven Protection

Through a wide array of advanced scientific tests and diagnostic procedures, our engineers identified the primary source of white spots and developed MINTSHIELD™.

To learn more, download articles

🗎 Solving the white spot problem (1.39 MB)

🗎 One year in: Winning the fight against white spots (1.26 MB)