Probus Rome Antoninianus. AD 276-282.
Rome mint. 

Obv: IMP PROBVS PF AVG, radiate bust left, wearing imperial 
mantle, holding eagle-tipped sceptre. 
Rev: ROMAE AETER, hexastyle temple with Roma seated front 
within, holding Victory and sceptre. 

Mintmark R thunderbolt Delta. 

RIC V-2 Rome 183. 

With permission of TimeLine Auctions 
(www.timelineauctions.com), Oct. 2018