Watch List notes:

ROMAN EMPIRE: Postumus, 260-269 AD, AE sestertius (13.42g), Cologne(?), RIC- (cf. RIC-144), laureate, draped, and cuirassed bust right, [...] POSTVMVS PIVS F AVG // galley right with steerman and 4 oarsmen, LAETITIA, S-C across field, AVG in exergue, unpublished obverse type, light obverse corrosion, Choice VF, RRR. This is the only example of this obverse type that we have encountered.

Estimate: 80-120 USD