it means nickel-free, because some people have reactions to nickel
im not quite sure what you mean but if you mean like the abbreviation eg: Oxygen=O Nickel=Ni
"925" on white gold indicates that the piece is made of sterling silver, which is an alloy consisting of 92.5% silver and 7.5% of other metals such as copper or nickel. It is a common standard used in jewelry to denote the purity of the metal.
STS on a ring typically stands for "Sterling Silver," indicating that the ring is made of genuine sterling silver. This stamp verifies the metal purity of the ring.
"CI" stands for "Chrome Indicator," indicating that the metal is likely sterling silver. "925" signifies that the metal is 92.5% pure silver, which is the standard for sterling silver. This engraving confirms that the ring is made of sterling silver.
"966 sterling" does not have a standard meaning in relation to silver or sterling silver. Typically, sterling silver is marked with "925" to indicate its purity level of 92.5% silver. If you have a piece marked as "966 sterling," it may be a manufacturer's unique stamp or a mis-marking.
Nickel Free 925 silver. Namely, sterling silver which is free of nickel traces.
Nickel free sterling silver means that the silver alloy used does not contain nickel, making it a hypoallergenic option for those with nickel allergies. This type of sterling silver is suitable for individuals who are sensitive to nickel and want to avoid allergic reactions.
(Cwe) Charles winston edition (cz)cubic zirconium (925) sterling silver (nf) nickel free..
That it does not contain any of the metal nickel.
The stamp "925 NF" on a pair of earrings indicates that the metal is made of 92.5% silver, which is the standard for sterling silver, and "NF" likely stands for "nickel-free." This means the earrings are crafted from sterling silver without nickel, making them a safer choice for those with nickel allergies. Overall, the stamp signifies both the quality and hypoallergenic properties of the earrings.
"925" means it is sterling silver or a 92.5% purity of silver. NF is a hallmark of the silversmith. I am trying to find nf now. I will post when I find it. From LCsocal: I am not sure that is correct, otherwise NF would be the busiest man in Thailand. I believe the "NF" indicates "nickel filled" with sterling silver plating. This would be consistent with the hallmark GF 14K, which means gold filled--an alloy of some sort with 14K plating. You'll note that the silver pieces from Thailand with the NF 925 hallmark are usually exceptionally well priced and this explains why. I am certain that the NF stands for nickel free as there are many who are not able to have nickel in there jewelry as they are allergic to it, and as the sliver has alloys added to it, the other .75 of the 9.25 as it is a make up of other metals to make it hard and useable for things like jewelry.
Are you sure it is fspo? ESPO is the name of a vintage jewelry company. I see it on many gold filled rings.
NC 925 when used in reference to jewelry would signify that the base materials used are nickel and cobalt. The 925 would mean that is plated with 92.5 percent sterling silver.
9K= 9 karats GF=Gold Filled ST=(possibly means sterling)
"Nida Factory" from Thailand
It means free advice is likely to have low value.
The name Sterling means 'little star'