Watch List notes:

Q. Marius Libo. 148 BC. AE as (29.5 mm, 16.87 g, 5 h). Rome mint. Laureate head of Janus; I above / Q. MARC above, LIBO before, ROMA below, prow of galley right. Crawford 215/2a; Sydenham 396c. Fine. Scarce. Ex Dan Brown 1961.