Dexterwise

[...] on the reverse is a fish, naiant dexterwise; the diameter is 0.02, and the material copper, silver being the only other metal used.

In his day, however, only two types were known, one with an amphora and the other with a goat on the reverse, the obverse of both showing a helmeted head of Pallas facing dexterwise.

Or, a lion's gamb, erased dexterwise gules.