i have a ring that is gold in color with a ruby in it and the only marking on it is inside of the band and it looks to be a hammer? anyone know what this mark means?
The library has a book that lists all hallmarks. I have used it.
If that is a ruby, you are talking way over $3K. Frank
You might try posting this in the "What is it?" forum on this site. Some very knowledgeable folks visit there often.