What does IBB CN with no numbers mean on a ring that looks like either white gold or sterling? - Quora
What does IBB CN with no numbers mean on a ring that looks like either white gold or sterling? - Quora
What does IBB CN with no numbers mean on a ring that looks like either white gold or sterling? - Quora
![What does IBB CN with no numbers mean on a ring that looks like either white gold or sterling? - Quora What does IBB CN with no numbers mean on a ring that looks like either white gold or sterling? - Quora](https://qph.cf2.quoracdn.net/main-thumb-212741520-200-mjryoofqlsuozouuiqrjypfuhkxnuprv.jpeg)