Watch List notes:

Hadrian (117-138), Aureus, Rome, AD 121; AV (g 7,21; mm 19; 6); IMP CAES HADRIA – NVS AVG COS III, laureate, draped and cuirassed bust r., Rv. ANN ÐCCCLXXIIII NAT VRB P CIR CO – N, Genius of the Circus reclining l., head r., balancing wheel on knee and placing arm around one of the turning posts of the Circus (three obelisks on a base). RIC 144; C 162; Calicó 1200.
Extremely rare, historically important issue: the only one Roman coin recording the exact year date of issue. Good very fine.