Please help identify coin and value

https://www.acsearch.info/search.html?id=1175105

Thankyou for this information regarding the coin ,do you know the value of this at all?

The weight and diameter of your coin ?

https://www.vcoins.com/fr/stores/marti_classical_numismatics/258/product/marcus_aurelius_ae_dupondius__salvti_avgvstor__salus/908761/Default.aspx

I don’t know this information unfortunatly , I think prices are different everywhere I look I’ve had it for years and took it that it wasn’t worth anything.I’m taking it to a collectibles road show