Watch List notes:

Postumus. Romano-Gallic Emperor, AD 260-269. Æ Double Sestertius (34mm, 25.45 g, 6h). Treveri (Trier) mint. 3rd bronze emission, AD 261. Radiate, draped, and cuirassed bust right / Galley left. RIC V 143; Mairat 190-3; Bastien 86. VF, brown patina, some porosity.

Ex Classical Numismatic Group Electronic Auction 363 (11 November 2015), lot 331.