Ancients
Probus (AD 276-282). BI antoninianus (22mm, 3.79 g, 5h). Serdica, 1st officina, ca. AD 277-280. Radiate, helmeted, and mantled bust left, holding spear and shield over shoulder / Probus on horseback galloping right, holding shield and spearing pleading enemy to right; KA·A· in exergue. RIC 877. NGC Choice AU★ 5/5 - 5/5.
Estimate: 300-500 USD