Nero AE As with Civil War countermark. 28.7mm, 10.45 g. Lyons mint. 

NERO CLAVD CAESAR AVG GER P M TR P IMP P P, bare head right, small globe at point of neck. SPQR countermark on cheek.
PONTIF MAX TR POT IMP P P, S-C, Nero, laureate, as Apollo Citharoedus, walking right, playing lyre. S-C across fields.

RIC I 454; MacDowell WCN 570.

The SPQR countermark was applied to some coins of Nero by rebels against him, normally on the bust. Vindex is believed to have been the most likely leader to have issued these.

Rare.

Contributed by Lawrence Cline, March 2022.