Watch List notes:

Severus Alexander, 222-235. Aureus (Gold, 20 mm, 6.45 g, 6 h), Rome, 227. IMP C M AVR SEV ALEXAND AVG Laureate, draped and cuirassed bust of Severus Alexander to right. Rev. P M TR P VI COS II P P Mars advancing to right, holding transverse spear in his right hand and a trophy in his left. BMC 407-8. Calicó 3112 (same reverse die). Cohen 304. RIC 60. Clear and attractive. Some minor marks, otherwise, nearly extremely fine.
From a European collection formed in the 1950-60s, ex Nomos 17, 26 October 2018, 289.