The marking "SAL" on jewelry typically stands for "Sterling A.L." which indicates that the piece is made of sterling silver. Sterling silver is an alloy containing 92.5% silver and 7.5% of other metals, usually copper. This marking is a guarantee of the quality and purity of the silver used in the jewelry piece.
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Platinum
375 is the marking for 9 carat gold. Usually vintage European will have this marking.
HMS marking with a crown on jewelry typically indicates that the piece is made of solid sterling silver and is of British origin. The "HMS" stands for His/Her Majesty's Service, indicating that the item was made for official use by the British government or military. The crown symbol signifies that the piece has been assayed and approved by the UK Assay Office as meeting the required standards of purity and quality.
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.
14 Karat Heavy Gold Filled(plated).
HCT is the maker of the jewelry
925 is a marking for sterling silver , Italy is where it is from and ITAOR Is the designer of the jewelry .
it could be the maker of the necklace. i have a chain that says oTc lie that and its the makers marking
Company name.
"S26" is likely a marking that indicates the type of material used in the jewelry piece, such as sterling silver with a purity of 92.5%. It is a common marking on jewelry to signify the composition of the metal used.
I have a couple of pieces of jewelry I thought said 192S but actually it's 1928 from the 1928 Jewelry Company. They make costume jewelry. It took me a while to track it down. If your jewelry is signed 192S, It's actually 1928 from the 1928 Jewelry Co.