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Q: When did they start marking gold karats in the US?
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Is 525 marking gold or sterling silver?

It's not a common marking used in the US but yes it means gold. 52.5% is gold.


What does 4k and c inside a cirlcle on a ring band mean?

Sorry, but karat (purity marks) do not go that low. In the US, if it is less than 10K, it cannot be marked as gold. Likely that is a manufacturer's mark- there were several makers of nice costume jewelry that did use that marking.


Is there a 14k nickel?

No. US nickels have never contained any gold. For one thing, even when the price of gold was much lower a gold coin the size of a US nickel would have been worth several dollars; today it would be worth hundreds.


What is the value of 1906 5 dollar liberty and 10 dollar liberty uncirculated 14k gold?

The US gold Liberty Head coins are actually 90% gold (21.6 karats), and the current gold values which the coin values are based on are $5 (Half Eagle) $340US and $10 (Eagle) $680US, respectively.


European 375 gold mark?

It is a statement of purity. It means 375 parts per thousand or 37.5%. This is equivalent to 9K (karat). There are three ways to indicate the purity of precious metals: 1) as parts per thousand, 2) as a percentage and 3) in karats with 24K being 100%. In the US and Canada, it is most common for the purity of gold and platinum to be shown in karats and for silver to be in parts per thousand.


Is 325 Italian Gold real Gold?

European jewelry makers have a different way of marking the purity content of jewelry than does US makers. 325 on Italian gold means it is the equivalent of 9K in the US. It is not a high quantity of gold, but it does still contain (likely) 32.5% gold and 67.5% other metal(s).


What does 800 marking on gold jewelry bought in Portugal mean?

Gold jewelry in Portugual must by law be 19.2 karat pure, there fore the marking of 800 translates to 80% gold, or 19.2 parts out of 24 (24 parts being 24 karat gold, 100% pure). A lot of European gold jewelry is marked 750, which ranslates to 75% gold content, or 18K, 18 out of 24 parts gold. Gold in the US is typically 14K or 58.5% gold, which is represented by the mark 585, 417 is 10K, 41.7% gold. Hope this helps.


What nations are in the US?

Marking.


How much worth 21 karat gold in US?

formula for calculating worth worth = GP/24*k*w keys GP= present gold price in OZ/gm get it from here http://goldprice.org/gold-price.html K= karats of your gold jewelry W= weight of your jewelry in OZ/gm ----------------------------------- As price changes every day , worth will also change. So calculate it by yourself.


What is the highest carat gold you can buy?

Gold is measured in karats whereas gems are measured in carats. The higher the karat the more pure the gold is. You can buy whatever karat you it just depends on your location, eastern countries and Indian sell 20k to 24k gold whereas in the US the most popular is 14k you can tho find 16k and 18k. Pure gold is 24K, but as you go to higher K gold, you also get softer material, which is easily damaged through normal usage.


When did US Olympians start getting cash prizes for gold metal?

They started getting cash for gold metal as soon as they started selling it. Gold prices are up. The cash pprizes goes with the medal. For US is $25000.00


How long before the US Civil war was gold found in California?

The California Gold Rush of between 1848 - 1849 was 12 years before the start of the US Civil War.