What does 417AV mean on a cross?

The inscription "417AV" on a cross typically denotes a specific type of Christian cross known as the "417 AV" or "417 AV Cross." This designation often refers to the materials or design of the cross, with "417" possibly indicating a code for the metal composition, such as sterling silver (92.5% silver), and "AV" likely standing for "Apostolic Version" or a reference to a specific style or origin. However, specific meanings can vary based on context, region, or tradition.