Here is a super Constans/galley half-denomination. Constans, struck AD 348-350. Half-centenionalis. 18 mm. 3.04 grams. Galley left with emperor holding Phoenix and standard with chi-rho, Victory at helm RIC VIII Siscia 244. Lovely, well-struck, high-grade coin. [$35 + $3 shipping in the US only] See http://augustusmath.hypermart.net/coinlist.html for many more ancient coins.
