Claudius augustus, 41 – 54.
Sestertius circa 41-50 and later, Æ 36 mm, 26.12 g. TI CLAVDIVS CAESAR AVG P M TR [P IMP] Laureate head r. Rev. EX SC / O B / CIVES / SERVATOS within wreath. C 39. BMC 115. RIC 96. CBN 152.An enchanting untouched enamel-like green patina, insignificant traces
of double striking on reverse, otherwise extremely fine

Ex NAC sale 59, 2011, 912.