If the silver plating on antique tableware has been stripped off, the base metal is likely exposed. Whether it is safe to continue using the utensils depends on the type of base metal and the condition it is in.
Here are some considerations:
Type of Base Metal: The base metal used in antique tableware can vary widely. Some common base metals used in antique silverware are copper, brass, and nickel silver (an alloy of copper, zinc, and nickel). Each metal has different properties and may interact differently with food and beverages.
Food Safety: Exposed base metal can potentially react with certain foods, especially acidic or alkaline ones, leading to the transfer of metals into the food. This can pose health risks if consumed over time.
Corrosion and Tarnishing: Without the protective silver plating, the base metal is more susceptible to corrosion and tarnishing. This can lead to further deterioration of the utensils and may impact their safety and functionality.
Lead Content: Some antique tableware, particularly those from earlier centuries, may contain lead in the base metal or in the old solder used for construction. Lead is highly toxic, and if present, it can leach into food and cause serious health problems.
Considering these factors, it is generally advisable to stop using antique tableware with stripped silver plating and consult with a professional expert in antique restoration or a metallurgist. They can assess the utensils' condition, identify the base metal, and provide recommendations on whether the tableware can be safely restored or if it is best to retire them from active use.
In any case, it is crucial to prioritize your health and safety when it comes to using tableware that might have undergone significant wear and damage. If in doubt, it is better to err on the side of caution and seek expert advice.