The George W. Shiebler & Co 728 mark appears on sterling silver pieces produced by George W. Shiebler & Co., a leading American silversmith known for artistic innovation during the late 19th century. This mark includes the maker’s name and the number “728,” which functions as a catalog or pattern reference used to identify a specific design within Shiebler’s body of work. Shiebler pieces often feature unique forms and classical motifs, and this number helps collectors match and date the item accurately. The 728 mark is a trusted identifier for confirming authenticity and historical significance in American art silver.