The Tiffany & Co. 922 6677 mark appears on sterling silver pieces made by Tiffany & Co., a leader in American luxury silver. The numbers 922 and 6677 are pattern or design numbers used by Tiffany to catalog and track specific pieces within their extensive production records. This structured identification system ensures authenticity, helps establish production timelines, and enhances the collectible value of Tiffany silver. Items bearing this mark are appreciated for their quality, craftsmanship, and traceable connection to Tiffany’s historic silverwork.