"SS" typically stands for stainless steel, while "ISC" is likely the manufacturer's initials or maker's mark. This stamp is commonly used to indicate the metal type and origin of the jewelry piece.
The Maker's Mark
It can mean that it has passed proof testing, could be a maker's mark, could be an inspector mark.
Maker's Mark was created in 1958.
The Mark of the Maker was created in 1991.
If you mean the Bible, they are the first three gospels: Ss Matthew, Mark and Luke.
tad is a maker's mark. It may be registered or unregistered.
Mark used by a Canadian maker of rings
ZRW is a maker's mark for JewelAmerica, Inc located in NYC.
925 = Sterling silver finenessHAN = mark of sponsor, maker.
More than likely, this is probably the maker's mark stamped on the jewellery.
Maker's Mark Mile Stakes was created in 1989.