it means certified jewelry.. by the gold council..its safe to buy it.
The mark "S G P" on jewelry stands for "Silver Gilt Plated," indicating that the piece is made of a base metal that has been coated with a layer of gold over silver. This designation signifies that the item has a silver base with a gold plating, giving it a luxurious appearance while being more affordable than solid gold jewelry. It is essential to care for such pieces properly to maintain their luster and prevent tarnishing.
If you mean a mint mark on the reverse of the coin, it's a D or S but not a P. Please look at the coin again.
If your ring is old, the mark may be WWW. That would be the mark of White, Wile, and Warner of Buffalo New York. They were making quality jewelry in the early 1900's.
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The U.S. does not have any "F" mintmarks. Only P-D-S & W for any coins.
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Yes. can be Real if it is antique maybe don't have a kt mark before 1920's !
S-80 means plated.
17 S in a H P
In a letter, "P. S." means "Post Script."
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