Sterling silver must be at least 92.5% silver. US law does not require precious metal to be marked with a quality stamp. Some European countries do require marking. Many tourists in the US (and international online shoppers) will question goods sold without markings that indicate precious-metal quality.

Does sterling silver have to be stamped 925 UK?

UK law requires any sterling silver product over 7.78 grams in weight to be hallmarked by one of the four UK independent Assay Offices. ‘925’ stamped into a piece of silver jewellery does not guarantee quality or that the product is really sterling silver.

What is sterling silver proof?

The term “proof” refers to the coin’s finish. Proof blanks are specially treated, hand-polished, and cleaned to ensure high-quality strikes. The blanks are then fed into presses fitted with specially polished dies and struck at least twice.

Does 925 silver have a hallmark?

Certified sterling silver will be stamped or marked with the word “sterling” or “925.” You may often come across alternative hallmarks such as “STG” “SS” or “STER”. Though rarer these if probably used are also authentic notations of sterling silver.

What is the difference between sterling silver and hallmarked silver?

When 92.5% of pure silver is mixed with 7.5% of other metals (often copper, nickel or zinc) the resulting alloy is called sterling silver. This number is known as the hallmark and denotes the percentage of silver purity in the alloy.

What kind of Mark do you put on sterling silver?

If a piece was made in a foreign country for import into England, it would include a maker’s mark, control mark and standard mark. But if a piece was made in England for sale at home it would require a fourth mark, a British assay mark. These changes may sound confusing at first, but are of great benefit.

What are the stamps on a silver hallmark?

One of the easiest silver hallmarks to identify is the actual assay office. These stamps are far fewer in number, and easier to make out, even when worn down. The main stamps include: London – Leopard head front-facing. If the head is crowned, then this was done before 1820, and would be uncrowned thereafter.

Where does the 925 mark on sterling silver come from?

In fact the vast majority of mass produced silver reproductions today, whether made in Thailand, India, England, Europe or America, now include 925 in the mark. With the 925 standard mark, a piece of silver can virtually be sold world wide with the same mark. The use of 925, however, does not preclude the use of sterling.

Which is the first emblem to be stamped on silver?

England’s system of hallmarks-a variety of official emblems stamped on silver to illustrate its purity -is one of the oldest and most detailed. Laws dating to the 14th century established strict requirements for marking silver; the first emblem was a crowned lion’s head to certify sterling, which are all stamped in a row.