I guess this is a real crappy coin.

seller's description --
ROMAN REPUBLIC
Anonymous. 209-208 BC.
AE As.
28mm // 18,56g.
Rome mint.
Obv: Laureate head of bearded Janus; I (mark of value) above.
Rev: Prow of galley right; I (mark of value) above, anchor to right.
Crawford 50/3.
"sh/it".
From the RBW Collection, with ticket.
Ex UBS 59 (2004), lot 6118.