Watch List notes:

Septimius Severus, 193-211. Denarius (Silver, 19 mm, 3.35 g, 1 h), Rome, 209. SEVERVS PIVS AVG Laureate head of Septimius Severus to right. Rev. P M TR P XVII COS III P P Neptune standing front, head to left, nude but for cloak hanging around his right arm, placing his right foot on helmet set on the ground, holding acrostolium in his right hand and a trident in his left. BMC 3. Cohen 529. RIC 228. Sharply struck and attractive. Flan crack, otherwise, virtually as struck.