Watch List notes:

Constantine II caesar, 316 – 337. Solidus, Nicomedia 324-325, AV 4.49 g. CONSTANTINVS IVN NOB C Laureate, draped and cuirassed bust r. Rev. VIRTVS CAESARI N Constantine II, in military attire, on horseback r., hurling spear at enemy kneeling before him; under horse, fallen enemy; in exergue, SM NM. C –. RIC –, cf. 84 for the type. Alföldi –. Depeyrot 35/7 (this coin). G. Lacam, Civilisation et monnaies byzantines (Paris, 1974), pl. XXIV (this coin).
Apparently unique. An unusual and interesting portrait and a wonderful
reddish tone. Virtually as struck and almost Fdc

Ex Finarte 25 March 1971, 358; Dürr & Michel 8 November 1999, Lacam, 8 and Nomos 1, 2009, 167 sales.