Watch List notes:

Severus Alexander. AD 222-235. AV Aureus (21mm, 6.57 g, 12h). Rome mint. 5th emission, AD 225. IMP C M AVR SEV ALEXAND AVG, laureate and draped bust right / VICTO RIA AVG, Victory advancing left, holding wreath in her extended right hand and palm frond with her left. RIC IV –; Calicó 3141 (this coin illustrated); BMCRE –; Biaggi 1340 (this coin). Lightly toned. In NGC encapsulation 4938385-026 graded Ch AU, Strike: 5/5, Surface: 4/5. Extremely rare, the second and finest known (for the other, see Gorny & Mosch 240, lot 550= NAC & Spink Zurich [16 November 1994], lot 650).

Ex Triton XX (10 January 2017), lot 813; Numismatica Ars Classica 78 (26 May 2014), lot 1072; Numismatica Ars Classica 40 (16 May 2007), lot 790; Leo Biaggi de Blasys (1906-1979) Collection.