means nothing at all and its not gold at all, and worth nothing
375 is the marking for 9 carat gold. Usually vintage European will have this marking.
It was stolen, recovered, then resold
that would be the manufacturers mark.
It means that thats where it was made
A 375 marking is a gold marking; it indicates 9K gold. You can find this by multiplying .375 by 24 (since there are 24 karats in pure gold). Visit the link below for more details about gold markings.
14 Karat Heavy Gold Filled(plated).
The 833 marking on gold signifies that it is 833 parts pure out of 1000. Translated to karats this would be 20kt, a popular purity used in Portuguese jewelry.
It means REAL 14K Gold, 58.3% Solid Gold. GCJ is the manufacturer
The marking "24" on a gold ring indicates it is made of 24-karat gold, which means it is 99.9% pure gold—the highest purity level for gold jewellery.
It means 'back and front', an indication the item is plated (either gold or silver).
The "685" gold marking indicates that the item is made of 68.5% gold, which corresponds to 16.4 karats. This marking signifies the purity of the gold used in the jewelry or item, indicating that it is of a high quality but not pure gold (which would be 24 karats). Items marked with "685" are often found in various types of jewelry, including rings, necklaces, and bracelets.
means ring has 14 carat gold