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.
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.
What dose trip a 3 mean on my Pontiac G5
14 Karat Heavy Gold Filled(plated).
It means REAL 14K Gold, 58.3% Solid Gold. GCJ is the manufacturer
its is 24 carat gold or 100% pure gold ring. But is unlikely to be , no one make 24 carat gold ring
It means 'back and front', an indication the item is plated (either gold or silver).
means ring has 14 carat gold