2 fun ancient coins to help I.D. (one gold)

[super*dude]

Thank you all for any information you can contribute. Really appreciate it. The gold one is 22.8 mm and 4.5 grams ..the Owl is 23.50 mm x 19.50 mm and 17.10 grams

[*smedley*]

the gold one appears to be some kind of medal... it's not a coin...

the other appears to be a bad copy of (i believe) an Athenian tetradrachm... one side has been purposely degraded to remove COPY...

[agathetyche]

The Byzantine gold- definitely modern  Probably one of the Bulgarian fakes.

The Athenian tetradrachm might be authentic. You don't usually find modern counterfeits with test cuts. It would be a later issue, after 393 BC, crudely struck. A number of reasons for the obverse being so weak, from using a very worn die to weak strike to corrosion from burial. 

[*smedley*]

(agathetyche knows WAY more than me about ancients)

[elheron-grande]

Put Heron on that 'list'.   

[mcdcoins]

On the tetradrachm, I'm not seeing the head of Athena on the obverse, and to me the style seems off on the reverse. It looks to be pressed to my tired eyes....