please identify this coin

I'm hoping someone can help me identify this old coin. its quite worn I think its bronze has any old have any ideas of origin and potential value  would be greatly appreciated I'm based in Devon uk.

thanks in advance

I will be quite surprised if anyone can identify this without size, weight, and with photographs of such poor quality.

The table seems to be solid oak, but for the rest…

Hi, Roman provincial, tetradrachm Egypt!

the photos are rubbish!

Ill update better photos when i get home from work.