MW can be mark by a professional jewelry brand. It is only a guess as I have not seen standard marking with these initials.
what does 24kgr stamped on a necklace mean
Dont no
WhAt does a pendant stamped NVC mean
what does O mean on a gold necklace
As the Common Metal Marks Stamped Inside Rings, TI=Titanium
I think it means 10k gold
I have very old necklace stamped 356 also with a Crown stamped also.
What does the symbol TB mean on hook of necklace
Gold Plated
Most likely a makers mark.
Made by "1928 Jewelry" company. Necklaces have a small tab attached with the number 1928 stamped on it.
It means that it was manufactured in Canada.