Need help with an ancient

Blackhawk

This ancient coin is roughly the size of a US dime and is either silver or silver plated. Anyone know what it is or have a rough estimate of it's value?

JZrarities

Looks like a Septimus Severus denarius - about $50 ish

Link to Septimus coins

Blackhawk

The reverse looks to be the Genius sacrificing with ears of corn in hand, but I can't match it up to any one the site. Good grief, there sure were a lot of different reverses and varieties.