Collectors of Ancient Roman Coins

[Medusa Gladiatrix]

and truthfully I don't know how to identify them. They're sitting in olive oil for cleaning. Perhaps when most of the grime is out, I can take some pictures.

That would be a good idea to take a picture when the coin is clean. A coin expert told me it's at least easy to identify if they date from the early Imperial period or are from Late Antiquity.