It's a nice
sestertius in collectable condition but not particularly valuable. But it's a genuine ancient coin in an impressive size so that's nice to have, even if you don't plan to collect
ancient coins. If you want to know the date more precisely,
Wikipedia should be able to tell you something about him, including the time he held the title of
Caesar. If you have the references, these coins can often be dated much more precisely. This is what you need the
reverse legend for, which includes all kinds of titles that can be used for dating the coin.
