Watch List notes:

Claudius. AD 41-54. AR Denarius (18mm, 3.51 g, 6h). Rome mint. Struck AD 50-51. Laureate head right / S P Q R/P P/OB C S in three lines within oak wreath. RIC I 54; von Kaenel Type 42; RSC 93. Fine, toned, light pitting, cleaning marks.