Watch List notes:

ROMAN EMPIRE: Caligula, 37-41 AD, AE quadrans (2.42g), Rome, RIC-52 (1st ed.); RIC- (2nd ed.), struck in January 41 AD, pileus between S C, C CAESAR DIVI AVG PRON AVG // R. CC in center, PON M TR P IIII P P COS QVAT, some smoothing in field and around legend, jade-green patina, VF, R. This coin was struck during Caligula's brief fourth consulship between Jan. 1 and his assassination on Jan. 24.

Estimate: 75-100 USD