Postumus, Romano-Gallic Emperor, 260-269. Double Sestertius (Orichalcum, 32 mm, 24.84 g, 6 h), uncertain mint ('Atelier II'), circa 261-263. IMP C M CASS LAT POSTVMVS P F AVG Radiate, draped and cuirassed bust of Postumus to right. Rev. LAETITIA / AVG Small galley (navis lusoriae) with four oarsmen, steersman and mast with sail amidships, rowing to left above waves. Bastien 297 var. Cohen 183. RIC 148. A very rare variety with an unusual depiction of a Roman galley. Minor areas of weakness, otherwise, very fine.