The Tiffany & Co. 22499 L mark appears on sterling silver pieces made by Tiffany & Co., America’s iconic luxury silversmith. The number 22499 serves as a pattern or order number within Tiffany’s production records, identifying the specific design of the piece. The letter L corresponds to a production period or director’s mark, most often associated with John C. Moore II’s tenure or later refinements in Tiffany’s manufacturing history. This mark ensures the piece’s authenticity and provides valuable information for dating and appraising Tiffany silver.