Watch List notes:

Constantine I BI Nummus. Rome, AD 320. CONSTANTINVS AVG, helmeted and cuirassed bust right / ROMAE AETERNAE, Roma seated right on round shield, holding another round shield inscribed X-V in two lines; RЄѠCP (ЄѠ ligate) in exergue. RIC 194 corr. (Roma seated left). 3.63g, 19mm, 6h.

Good Extremely Fine. A very rare and unusual mintmark.

From the Brian Henry Grover Collection, collector's ticket included stating "ex C. B. Hoard".