Watch List notes:

Gaius, 37-41. Denarius, Lugdunum 37-38, AR 3.78 g. C CAESAR AVG GERM P M TR POT COS Bare head of Gaius r. Rev. Radiate head of Augustus or Tiberius r. between two stars. C 11. BMC 3. RIC 2. CBN 3.
Rare. Two lovely and well-centred portraits, a minor metal flaw
on obverse, otherwise extremely fine