Watch List notes:

Postumus. Romano-Gallic Emperor, AD 260-269. Æ Double Sestertius or Dupondius (25mm, 5.75 g, 12h). Colonia Agrippinensis (Cologne) mint. 2nd bronze emission, AD 260. Radiate, draped, and cuirassed bust right / [EXER]CITVS AVG, S C, Postumus on horseback left, saluting four soldiers, one holding spear and shield, the others standards. Cf. RIC 117; cf. Mairat 477; cf. Bastien, Postume20-21. VF, green patina. Rare type.

Ex Michel Thys Collection (Jacquier 42, 16 September 2016), lot 633 (hammer of $335). Purchased from P. Crinon, Paris, January 1993.