Watch List notes:

Balbinus, 238. Denarius (Silver, 20 mm, 2.29 g), Rome, circa April-June 238. IMP C D CAEL BALBINVS AVG Laureate, draped and cuirassed bust of Balbinus to right. Rev. P M TR P COS II P P Balbinus standing front, head to left, holding olive-branch in his right hand and parazonium in his left. BMC 26. Cohen 20. RIC 5. Somewhat porous, otherwise, extremely fine.