Watch List notes:

Regalianus. 260 AD. Antoninianus, 3.00g (11h). Carnuntum. Obv: IMP C P C [REGALIANVS] AVG Bust radiate, draped right. Rx: , PROV[IDENTIA] AVG Providentia standing left, holding ears of wheat and cornucopia; at her feet, modius filled with wheat ears; copied from the similar PROVIDENTIA AVG type of Severus Alexander. Cohen 5 (400 Fr.). RIC 8 corr. (R5). Göbl A3. Extremely rare, fewer than 30 known examples. EF

Ex NAC 72, 17 May 2013, lot 731. Ex Gorny & Mosch 180, 12 October 2009, lot 426