Watch List notes:

Severus Alexander. AD 222-235. AR Denarius (2018.5mm, 3.55 g, 12h). Rome mint. 15th emission, AD 232. Laureate, draped, and cuirassed bust right / Mars advancing right, holding transverse spear and shield. RIC IV 246; RSC 161a. In NGC encapsulation 4935631-007, graded Ch AU, Strike: 5/5, Surface: 3/5
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Ex Stack's Bowers Galleries (5 August 2020), lot 22247.