The "8p" stamp on international silver flatware typically indicates that the piece is made from 18/8 stainless steel, meaning it contains 18% chromium and 8% nickel. This composition enhances the durability and resistance to rust and corrosion, making it suitable for everyday use. The "p" may also signify that the item is part of a particular line or design within a brand's product range.
International Silver Co. according to the website antiquesandthearts.com
IS stands for Inlaid silver. ie Holmes and Edwards have a full line of Inlaid silver, which is major improvement over silver palte and the IS is stamped on each piece, usualy in a square box stamp
The "IS" silver marking on flatware stands for "International Silver Company". The flatware is silver plated. Visit the link below for details about other silver markings too.
International Silver Company, founded in 1898 from a number of smaller silver manufacturers that specialized in silver plated tableware.
IS stands for the International Silver Co. and unless it says sterling or 925/1000 it is silver plate.
rogers cutlery & CO
silverplate!
The "IS" stamp on a silver spoon likely stands for International Silver Co, which was a prominent American silver manufacturer. The stamp helps to identify the manufacturer of the spoon and can also sometimes indicate the silver content of the piece.
International Silver, which bought the rights to the (eagle) Wm Rogers (star) stamp in 1989.
331 mean on silver
Oh honey, that stamp on silver means it's sterling silver, which is 92.5% pure silver. The other 7.5% is usually copper, to give it some stability. So, if you see that 2925 stamp, you've got yourself some quality bling, darling.
"Chippendale" is the name of the pattern. You can think of it as a collection; "the Chippendale collection." The manufacturer (in this case International Silver Co.) would make a whole line of flatware, hollowware and serving pieces with the same matching pattern.