Carus, AV aureus, Ticinum, 282-283 AD. 4.21 gr. 

IMP C M AVR CARVS P F AVG, laureate, cuirassed bust right-
ADVENTVS CARI AVG, Carus on horseback packing left, holding sceptre
and raising right hand. 

Cohen 6 var (spear); RIC -; Calicó 4260 and Biaggi 1642 (this coin cited).
	
With permission of Numismatica Ars Classica NAC AG auction 49, Oct. 2008.
Lot 405 sold for 3,400 SFr.
Estimate: 3,000 CHF