Roman ID help?

This is just a cheapo.. my first roman coin, picked up at a show (with a pretty slick display: piled in a sifter with other cheapos like a dig site
).. so if you don't have time to look it up, no problem. I'm just curious since it's my first. Many thanks! 



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Comments
Antioch Mint
Obv: Diademed, draped and cuirassed bust, r. D N CO[NST]AN-TIVS P F AVG
Rev: Soldier spearing fallen horseman. [F]EL TEMP REPARATIO; In ex.: [S]MANA
Don't have a reference number handy, but it'll be RIC VIII (insert # here).
Neat coin.
https://www.civitasgalleries.com
New coins listed monthly!
Josh Moran
CIVITAS Galleries, Ltd.
Don't bother with the number.. I was just looking for a rough attribution (I'm still ignorant of this stuff
My wantlist & references