I captured this one for the Stannard Scoop: Roman Republic C POBLICIUS Q f 80 BCE AR Denarius serratus 3.94g Rome mint Flan weight control gouge reverse (Stannard al marco Scoop) Hercules strangling Nemean lion, (I dunno, maybe this is a dog leaping up to love its master?) club, quiver Craw 380-1 Syd 768
Not my field but here is an image from acsearch.info showing what I think is the same type. Definitely a lion on this coin, I would say.