Help identify the coin! Still relevant! Very interesting coin! [επιλυμένο]

Hi. I ask respected experts AND not experts to give their definition of this coin and its approximate value. The coin was found by children in the vineyards of the South of France. Sincerely. What do you think about this coin?

Some kind of Greek coin, Ancient for sure 

Roman-constantius

Like this for example

N#227759

Merci beaucoup pour l'information. Que pouvez-vous dire sur le coût ? Est-il judicieux de le vendre ou de le récupérer davantage ?

Thank you very much for the information. What can you say about the cost? Does it make sense to sell it or collect it further? Sorry, I accidentally asked in French...)

I think is constantius.not listed in numista catalogue.in this condition maybe 1€….

 Thank you very much. In that case I will continue to add to my collection... ) Best regards, Alexander