176-180 AD., Marcus Aurelius, Rome mint, RIC 424 var.

Marcus Aurelius, Rome mint, 176-180 AD.,
Denarius (17-18 mm / 3.10 g),
Obv.: M ANTONI - NVS AVG , laureate and cuirassed bust of Marcus Aurelius right, seen from behind.
Rev.: COS III - P P , Annona standing l. between modius with grain-ears and ship, holding two grain-ears and cornucopia.
cf. RIC 424 ; cf. C. 151 .

Rare bust variant
According Curtis Clay two other coins like this one had been in the marked during the last years (in 2002 and 2005).