Watch List notes:

MARK ANTONY AND OCTAVIAN, (41 B.C.), silver denarius, mint moving with Mark Antony, obv. bare head of Mark Antony to right, around legend M AN[T IMP] AVG III VIR R P C M BARBAT Q P, rev. bare head of Octavian to right, around CAESAR IMP PON[T III VI]R R [P C], (S.1504, Cr.517/2, Syd.1181). Grey patination, banker's marks and scratches on reverse field, otherwise very good and scarce.

Ex Heritage Auctions #232003, lot 63137.
In a slab by NGC graded VG.