Original coin dates from 379-371 BC. It is called Boeotia from Thebes.
It is the reverse side of the Boeotian shield. Kantharos is an ancient cup for drinking wine.
 
Handmade solid yellow bronze Greek coin reproduction.
One sided only.
The coin is about 10mm
 
Blackened solid sterling silver chain.
The chain is antiqued (oxidized). 
The chain is not painted on.
Over time the oxidation might fade or darken in color depending on your body's chemistry.