Watch List notes:

Constantine I caesar, 306 – 307. Aureus, Siscia circa 306–307, AV 5.07 g. CONSTAN – TINVS NOB C Laureate head r. Rev. PRINCIPI – IVVENTVTIS Constantine, in military attire, standing facing, head l., holding sceptre in l. hand and raising r.; on either side, standards. In exergue, SIS. C –, cf. 422 (Treveri). RIC 152. Alföldi 321. Depeyrot 10/2. Calicó 5188.
Very rare. Sharply struck with a portrait of great strength,
virtually as struck and almost Fdc

Ex NAC 24, 2002, European Nobleman, 271; NAC 31, 2005, 143 and NAC 62, 2011, Markoff, 2095 sales. From the collection of a Retired Banker.