These small AE (base metal) ancient coins generally sell retail between $20 and $50 US dollars. The one in our picture comes from Roma Numismatics Ltd. in London, where it is on sale for 20 pounds (about $35 US dollars), a good price for such a nice-looking, well-preserved specimen.
If you have a coin for sale to a dealer, expect him or her to pay roughly one-half retail price. The mark-up is required to keep the dealership solvent. Dan's coin is corroded and gouged, so expect a retail price far below the range quoted in the preceding paragraph.
According to Tom Ross at ancients.info, Constans, the middle child of Constantine's three surviving sons, inherited the domains of Italy and the Roman provinces in Africa after the death of Constantine in 337. No sooner than this happened Constans and first son Constantine II began squabbling over who got what. Constantine II meant to settle the issue with his army. However, luck remained with Constans who easily appropriated all of Constantine II's former territories.
CoinQuest is generally for non-collectors, while Dan, who specified all sorts of detailed information about his coin, is clearly an accomplished collector. The emerging area of ancients collecting is truly fascinating, and many of the coins are surprisingly available at reasonable cost. Our two favorite web sites for ancients are: