Estate Stunning Rare Vintage 14K Yellow Gold (marked / tested) Maker R&G Opal Nautical Clam Shell Band Ring. Alive with Flashing Opal Design inset and approx. 6 3/4 size and approx. 4.2 G the Clam Shell approx. 1/2 in size with a split type mounting band approx. Please see all pictures of this Unique Beauty! As pictured as Found as offered. Will need cleaning To Suit by You. Sometimes Glare in Photo from Camera. All Vintage and Antique Jewelry and other items are not NEW. Lite signs of wear are to be expected unless described as MINT Condition. All measurements are approximate. All need light cleaning to Preference! As Always Thanks For Looking!! All items as pictured.