In this specific style, the symbol (resembling the Greek letter 'mu') typically corresponds to the year 1914.51711: This is a pattern number or production code. It was used by the factory to identify the specific design or shape of the item (e.g., a specific style of teapot or tray) for reordering or cataloging purposes.Key Takeaways:Material: Because it lacks the "lion passant" (walking lion) and official town marks, this is not sterling silver; it is high-quality silver plate.Origin: Sheffield, England.Estimated Age: Early 20th century, likely circa 1914.
