Watch List notes:

The Dioscuri Collection. The Roman Republic.
M. Iunius Brutus with Pedanius Costa. Denarius, mint moving with Brutus 43-42, AR 20 mm, 3.76 g. LEG – COSTA Laureate head of Apollo r. Rev. IMP – BRVTVS Trophy. Babelon Junia 42 and Pedania 1. C 4. Sydenham 1296. Sear Imperators 209. RBW 1778. Crawford 506/2.
Virtually as struck and almost Fdc

Ex Roma Numismatics sale 2, 2011, 528.