I think it's probably NS rather than SN (it can be read upside down or right way up!) It signifies it is a rolled gold necklace (ie a form of gold plated necklace) with the base metal being a mix of Nickel and Silver.
The "SN" stamp on jewelry typically stands for the metal purity, with SN representing 925 silver (92.5% pure silver). This stamp assures the buyer of the authenticity and quality of the metal used in the jewelry piece.
This is not a recognised mark anywhere.
What does cm mean on jewelry?
If a piece of jewerly bears the SN mark stamp one is reading it upside down. The mark stamp actually says NS. NS means that the jewelery is made from gold, silver and nickel, where nickel and silver are the base metal.
The mark Decesare is an Italian Designer of fine gold jewelry.
it means certified jewelry.. by the gold council..its safe to buy it.
What does the jewlery makers mark HAN mean on a necklace?
it means it is real gold or silver
TAL may be the mark for Tal Amos, Israeli and American trained jewelry maker.
The "CCC" mark on jewelry typically stands for "Coro Craft Corporation," a vintage jewelry company known for producing high-quality costume jewelry in the mid-20th century. This mark may indicate that the piece of jewelry was created by Coro Craft Corporation.
FJG would be the maker mark on that piece. In the US and most everywhere else if you put a karat stamp on a piece of jewelry you must also put your registered makers mark. It is that makers guarantee that it is that karat.
I think it's probably NS rather than SN (it can be read upside down or right way up!) It signifies it is a rolled gold necklace (ie a form of gold plated necklace) with the base metal being a mix of Nickel and Silver.