The Tiffany & Co 12982 Makers 6632 925-1000 C mark is found on high-quality sterling silver pieces produced by Tiffany & Co., one of the most prestigious American silversmiths. The numbers “12982” and “6632” are internal pattern and order numbers used by Tiffany to catalog specific designs and production runs. The “925-1000” indicates sterling silver purity—92.5% silver—while the letter “C” represents the directorship of Charles L. Tiffany or a subsequent period mark, depending on context. This mark is especially valuable for identifying the piece’s authenticity, production era, and catalog details within Tiffany’s extensive archives.