The ring mount is 18K gold. The reverse on the coin is a bust of his adopted son Marcus Aurelius. This mint condition coin is almost 2000 years old!
Denomination: Silver Denarius ( Standard Roman coin from 311 BC)
Reign: Antoninus Pius (138 - 161 AD)
Description: Mounted in 18K Gold ring
Size: 9 1/2 - Can be resized in house