This is a museum quality model Atocha coin as found on the famous shipwreck 

Nuestra Senora De Atocha of 1622.

The coin was casted with a portion of silver recovered from the shipwreck.

Bamboo Design Sterling Silver Ring Clad  in 14k Yellow Gold Set with Mini Reale

Ring comes in sizes 5-8, Email me at time of purchase with your size

It comes with a certificate of authenticity and a gift pouch

Dimensions: approx. 1.2 cm top of ring