One "A" earring, sold as a single piece for one ear only. It's a small 3mm size, but it's an opal earring with beautiful play-of-color. Among the three, the "A" is slightly larger in size and has a high-quality color and play-of-color. Material: Opal (3mm) K18 Yellow Gold The hallmark is only on the catch, not on the earring post, but gold jewelry from this era was almost exclusively K18. Condition: Although it is old, there are no noticeable scratches. For the listing, it has been cleaned with a special cleaning solution and polished with a cloth. Accessories: None ⚠️ Due to the high price of precious metals, we are sorry, but we are not accepting price negotiations.