Carinus amd Numerian, AV aureus. 21 mm. 4.66 gr. Lyons.

CARINVS ET NUMERIANVS AVGG, Jugate busts of Carinus, laureate,
and Numerian, laureate and draped, right
VICTORIA AVGG, Victory walking left, holding trophy. 

Calic̣ 4405a; Cohen 4 var (denarius); Bastien, Lyons, 405 var (denarius).

Of the highest rarity, only the third specimen known. 

With permission of Numismatica Ars Classica, May 2004.
Sold for 13,500 SFr.