DN LEO PE-RPET AG, Diademed, draped and cuirassed bust right / SALVS R-PVRLICA, Emperor standing right, holding standard and globe, treading down on a prostrate captive, CON in exergue. 21mm, 3.93 grams. Constantinople mint, RIC 659.
A great rarity, with only a handful of other known examples. Rated R3 in RIC.