After spending several hours of Ron touching up the engraving, we decided this should be available as a reproduction.
"COPY" stamp on the reverse. 

Obverse - the Classic Greek coin depicting Arethousa. Same weight as the original coin minted over 2,000 years ago.  43 grams of .999 fine silver.
 
Reverse - depicting Nike, crowning the victor of a chariot race. Warriors implements at the bottom.