Items marked with this phrase represent objects crafted from 92.5% pure silver during a specific period in Thailand’s history when the country was known as Siam. This marking signifies both the material composition and the origin of the piece. For example, a vintage tea set stamped with this designation indicates that it is constructed from sterling silver and was produced in Thailand before the country’s official name change.
The presence of this hallmark on silverware, jewelry, and decorative objects offers insights into the historical trade routes and artistic styles prevalent at the time of production. It suggests a level of craftsmanship associated with silver production in the region during that era, often valued by collectors and enthusiasts of antique silver. Pieces bearing this mark often hold both intrinsic silver value and potential collectible value.