This coin from Licinius has a star on his chest. It's amazing how many little details show up when you slow down and look.
Licinius I
A.D. 317-320
17x18mm 2.9gm
IMP LICI-NIVS AVG; laureate draped bust left holding mappa, orb & scepter.
IOVI CONSERVATORI AVGG; Jupiter standing left with Victory on a globe & sceptre, palm branch in left field, Δ right.
In ex. SMN
RIC VII Nicomedia 24