Watch List notes:

Q. Caecilius Metellus. Unofficial issue. AE Quadrans, after 82 BC. D/ Head of Hercules right: behind, three pellets; below neck truncation, club. R/ [Q] MET ligate. Prow right; before, three pellets; below, ROMA. Cr. cf. 256/4a. AE. g. 2.21 mm. 17.00 Rare and interesting. Green brown patina. Good VF.

We consider this example unofficial due to its style and the light weight (cf. NAC 61, RBW Coll., 2011, 1042.).