“1847” and “IS” Marking on Rogers Brother Silver This is the founding date of Rogers Brothers that they include in the hallmark of all their silverware. The “IS” stands for International Silver who has owned Rogers since 1898.

What is the highest grade of sterling silver?

925 Silver
925 Silver. Sterling is the jewelry quality standard in the United States and most world markets. It is an alloy of 92.5% silver. The remaining 7.5% is usually copper though it is sometimes other metals such as nickel.

How can you tell the difference between silver and silverplate?

If you do not see the sterling marking, the item is probably silver plated. Check the colouring of the item carefully; genuine silver is generally less shiny and colder in tone than silverplate. If you see places where the silver appears to be flaking off or turning green, the item is silver plated.

What kind of silver is in sterling silver?

Sterling silver, also known as 925 sterling silver, is a metal alloy used in jewelry and decorative household objects. Traditionally, it is 92.5% silver (Ag), and 7.5% copper (Cu). Occasionally, other metals account for 7.5%, but the 925 hallmark will always indicate 92.5% silver purity.

What does 925 stand for in sterling silver?

Mos t Moon Magic j ewelry lovers are familiar with the term sterling silver and have probably seen the 925 hallmark stamped on the inside of a ring or on a necklace clasp. Just like ster, sterling, and a lion in historic British silver marks, the number 925 on jewelry stands for the amount of silver it contains.

What does the s stand for on silverware?

A true silver item in modern times after 1964 generally are stamped .925 or having an “s” to show the amount equivalent to sterling. It stands for “International Silver,” a cartel of silverware manufacturers formed in 1898 by 14 silver producers, the largest of which were Holmes and Edwards, Meriden Britannia, and Rogers Brothers..

What do you need to know about sterling silver jewelry?

If it’s particularly small, a jeweler’s loupe or magnifying glass may be helpful in spotting the sterling silver 925 stamp and other jewelry hallmarks. The stamp 925 is used to identify genuine sterling silver jewelry, which contains 92.5% silver.