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 Silverware
International Silver Co.
Apparently, FB Rogers silverware marked China is a knock-off! Buyers - beware!
is wm rogers sliver ware marked I S
The IS on Wm Rogers Silverware stands for International Silver.
What percentage of silver is Rogers&bro silverware
value of 1847 rogers bros silverware
Electro Plated
Rogers Bros were a group of brothers who started a US shop in 1840 electroplating silverware, they named their brand 1847 Rogers Bros. The Eternally Yours silverware sets can go from around $30-$550 depending on the condition.
There are but a select few places to purchase 1847 Rogers Bros silverware. The two best and commonly used are eBay and the 1847 Rogers Bros official website.
coated with silver 3 times but still only silver plated !
value of 1847 Rogers Bros A1 plus mark
It means International Standard of silver plating thus identifying your piece as silver plate vs. silver
1948