Hallmarks, often called quality marks or purity marks, are laser applied by the Assay's Office which guarantees the minimum precious metal content present in your 886 by The Royal Mint piece. Each product within the 886 by The Royal Mint collection is hallmarked with the initials of the Deputy Master of the Mint (AJ), and the exclusive Cross Crosslet and Tower marks. Hallmarks depicted on product images are for representational purposes only and may vary. Learn more about hallmarking