The "b" could be an initial of some sort but has nothing too do with value of the gold.
Not
An S inside a gold ring is the maker's stamp. If the ring were not gold and had an S inside it would stand for sterling silver.
the stamp shows that the ring is of 14 karat gold piece; to check if it is real or not.
Hi your 750 ring is 18 ct gold all the best Lynda
The 923 you're seeing inside your ring is likely a stamp indicating the purity of the ring. 923 means that the ring is 92.3% pure gold or silver (whichever your ring is).
What does WSE stamp stand for inside Jostens ring
Gold electroplated
Palladium
What does TK316 inside a ring mean
It means the ring you have is 14 karat gold.
What does am-g 10k on the inside of a ring mean
What does am-g 10k on the inside of a ring mean