Claudius, 41-54. Denarius (Silver, 20 mm, 3.73 g, 6 h), Lugdunum, 50-51. TI CLAVD CAESAR•AVG•P•M•TR P•X IMP•XVIII Laureate head of Claudius to right. Rev. CONSTANTIAE AVGVSTI Constantia seated left on curule chair, feet on footstool, raising right hand. BMC p. 172, 57 (note) = Cohen 12. RIC 56. Of the highest rarity, one of a very few known examples. Crystallized and corroded, otherwise, good very fine.