Watch List notes:

Marcus Aurelius. As Caesar, A.D. 139-161. AR denarius (17 mm, 3.46 g, 6 h). Rome, under Antoninus Pius, A.D. 159. AVRELIVS CAES AVG PII F, bare head of Marcus Aurelius right / VIRTVS COS II, Virtus standing right, resting foot on helmet, holding inverted spear and parazonium. RIC 433; BMC 610; RSC 1006. Rare - just 10 examples in the Reka Devnia hoard. Nearly very fine. 

From the Expatriate Collection. 

Though this coin bears no tribunician number, its form of obverse legend was only current in A.D. 159/60 and the same reverse type was also struck with a dated legend of A.D. 159 (cp. BMC 963).