Claudius. AD 41-54. Æ Sestertius (32mm, 25.82 g, 6h). Rome mint. Struck AD 41-42; countermark applied in Italy AD 64 at the time of Nero's reform. Laureate head right; c/m: NCAPR (Nummus Caesare Augusto PRobatus?) within rectangular incuse / Spes advancing left, holding flower and raising hem of skirt. RIC I 99; von Kaenel Type 55; for c/m: Pangerl 60. Green patina. Host coin: Near VF; c/m: Near VF.
From the Wayne G. Damron Collection.
This countermark, one of the most common imperial countermarks, is likely a validating countermark used during the reign of Nero. For further discussion, see Kraay, "The Behavior of Early Imperial Countermarks" in Essays Mattingly, pp. 132ff.