Carus, AV aureus, Siscia mint, after 283 AD, posthumous issue. 4.49 gr. 

DIVO CARO PARTICO, laureate head right.
CONSECRATIO Eagle standing right on globe, head left. 

RIC 4 var (obv. legend and globe); Calico 6242a

With permission of Gemini, LLC auction I, Jan 2005, lot 439. Sold for $10,000.

Extremely rare: apparently the second known specimen with the title PARTHICO. The
first discovered was in the Tkalec auction 18th Feb. 2002, lot 235.