Yes sterling
STG should mean Sterling (Silver).
william page ,electro plated silver.
London standard
The 925 hallmark is indicative of 92.5% Sterling Silver.
Nickel Free 925 silver. Namely, sterling silver which is free of nickel traces.
AFJG is a hallmark. '925' means is an international marking for Sterling Silver.
A1 is an English term for silver plate. Items with A1 are not sterling silver.
ITAOR is the hallmark of an Italian jewelry company. I believe they work in gold and sterling silver.
I have a pendant made from Sterling silver It's a Life Saver replica made from sterling. I'm also trying to figure out the hallmark?
Vermeil
it means that the ring/bracelet is gold plated sterling silver.