Watch List notes:

Severus Alexander, 222-235. Sestertius (Orichalcum, 31 mm, 18.77 g, 1 h), Rome, 231-235. IMP ALEXANDER PIVS AVG Laureate, draped and cuirassed bust of Severus Alexander to right. Rev. MARS VLTOR / S - C Mars advancing right, holding spear with his right hand and shield with his left. BMC 847. Cohen 169. RIC 635. An attractive example with a beautiful deep green patina. Good very fine.