The Tiffany & Co. 4824M4576 mark appears on sterling silver pieces created by Tiffany & Co., a leader in American luxury silver craftsmanship. The numbers 4824 and M4576 represent an internal pattern and maker’s code, with the M often referring to production during the John C. Moore II era, a time of exceptional quality and expansion in Tiffany’s silver offerings. This detailed numbering system guarantees authenticity and links the piece directly to Tiffany’s meticulously documented production records, making it highly desirable for collectors.