Watch List notes:

M. Antonius, Accidentally incuse denarius, Mint moving with Antonius, 42 BC; AR (g 3,80; mm 17; h 12); Head of M. Antonius r.; behind, M ANTONI; before, [IMP], Rv. Incuse of obverse. Crawford 496/1; Antonia 34; Sydenham 1168.
Rare, cabinet tone, good very fine.