Read Exodus 39:14 Using Other Translations
And the stones were according to the names of the children of Israel, twelve, according to their names, like the engravings of a signet, every one with his name, according to the twelve tribes.
There were twelve stones with their names according to the names of the sons of Israel. They were like signets, each engraved with its name, for the twelve tribes.
Each stone represented one of the twelve sons of Israel, and the name of that tribe was engraved on it like a seal.