Recently got gifted a gold ring from my wife, there is a weird silver spot on it. Next to the 375 stamp. Does this mean it isn't gold? : r/whatisthisthing
What does the 375 stamp on gold mean? - Quora
Gold Jewellery Hallmarks Explained - Monty's
Simple Gold Hallmark Guide
Jewelry Stamps: What Do They Really Mean?
What Do Those Markings On My Jewelry Mean? – Braunschweiger Jewelers
How to know if a 375 gold necklace is real - Quora
MydoraGold Cincin 3 Line Minimalist l Emas 375 Gold l Jewellery Fashion Ring Women Ring | Shopee Singapore
A guide to what jewelry stamps mean. | Think Engraved
Can someone decode the rest of this! So far I've gathered that 375 means 9ct gold! : r/jewelry