Germantown Tool Works
It means that its 2500
RSC 925 stamped inside a ring typically means the ring is made of sterling silver, which is 92.5% pure silver. The RSC could be a manufacturer's mark or a designer's stamp.
Means pretty much a makers mark~you can google the mark or take a picture and upload to google~and search that way as well~
Proof mark.
probably a makers mark
silver mark 865
The "S" stamped after the 14k on your gold ring likely stands for the manufacturer's symbol or a specific identifier for the company that made the ring. It is common for jewelry makers to include their mark on the pieces they create for authentication and tracking purposes.
Not always the jewelry is stamped, however, no stamp doesnt mean it is not genuine.
Could be an inspector's mark, assembly mark, etc..
The mark for sterling silver is 925 which indicates 92.5% silver content.
SD stamped on a ring could refer to the manufacturer's mark, indicating that the ring was made by a company or jeweler with the initials SD. It could also stand for "Sterling Silver," indicating that the ring is made from 92.5% pure silver.
it will have a mark stamped or it or it will say silver/ sterling silver.