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Nothing.

That is, it's not proof of anything. It's trivial to engrave "18K" on a piece of brass and claim that it's 75% gold. In general, you shouldn't assume that any markings on a piece of jewelry have any meaning.

13K is an unusual purity value (they're nearly always even numbers), so I'd suggest that "13" is probably a size, if it means anything at all..

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Q: What does 1 3 engraved on gold jewelry mean?
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What does 1-20 on jewelry mean?

This stamp is the quality stamp and represents that the piece is gold plated or better described as gold filled. The 1/20 means that there is a layer of fine gold equal to 1/20th of the jewelry's volume


What does 12012kg mean on gold jewelry?

it mean's that your item is 1/20 percent of 12k gold don't try to turn it in its not valuable at all sorry.


What does fourteen over twenty mean for gold stamp?

This indicates that the jewelry is 14kt gold filled. Gold filled is similar to gold-plated jewelry, but the amount of gold used with gold filled is usually more and the piece is of higher quality. "14/20" translates to "1/20th of the total weight (5%) is 14kt gold" The other 95% of the jewelry is not gold.


What is 18 k RGP?

Jewelry engraved with RGP, which stands for Rolled Gold Plating, or plaqué d'or laminé, (proper designation: 1/30 14 kt.), contains approximately 100 times the average amount of gold utilized in gold plating (which is either sprayed or dipped). Rolled Gold Plating involves the lamination of a thin sheet of gold leaf with a lesser metal (usually brass), fused by heating under pressure.


How do you tell gold filled from regular gold jewelry?

Gold-filled jewelry has a thicker layer of gold bonded to the base metal compared to gold-plated jewelry. You can usually find a stamp on gold-filled jewelry indicating the gold content, such as β€œ1/20 14K GF.” Regular gold jewelry should have a stamp indicating its karat purity, such as β€œ14K” for 14 karat gold.


What does 1-20 12 k g mean?

The numbers 1/20 12kg refer to gold in jewelry. The 12 kg reveals that the item is stamped as 12 karat gold, and 1/20 assures that there is 1/20 of gold in the 12 karats.


What does fgs mean on gold jewelry?

FOR GOLD & SILVER, INC. The company ceased operations in 1989. See: http://www.yourtrademarkia.com/company-for-gold--silver-inc-457981-page-1-2


What does 12 GF markings on jewelry mean?

GF= stands for "gold filled" Gold Filled (heavy plating), usually has a fraction, For Example:1/20 10K GF found at: http://nitacreations.blogspot.com/2007/10/jewelry-markings-what-do-they-all-mean.html


Is gold tone jewelry the same as gold plated jewelry?

Gold tone jewelry typically refers to jewelry that has a gold-like color but is not made of real gold. Gold plated jewelry, on the other hand, consists of a base metal that is coated with a thin layer of gold. In summary, gold tone jewelry mimics the appearance of gold, while gold plated jewelry actually has a layer of gold.


What does an 120-14k on a piece of jewelry mean?

It means that the Gold on the metal you have is actually Gold Plated. 120 stands for 1/20, which means since it is only a plating, it is only one-twentieth it's weight in actual gold.


How much is 1 lb of gold jewelry worth?

It would be $24000 because there are 16 ounces in a pound and gold is currently $1500 an ounce. Note that that would be if the jewelry were solid gold, which it isn't - no jewelry is (solid gold is much too soft for jewelry). But if it's 18 carat gold (typical), it would still be 60% of $24,000, which is $14,400 - still a tidy sum.


What does 18K F on jewelry mean it has a period between the K and F?

18K F on jewelry typically means that the piece is made of 18 karat gold with a fineness of 750 parts per 1000 gold content. The "F" likely stands for "fineness," indicating the purity of the gold used in the jewelry.