Possible coin of the Vandal Kingdom.

Hello everybody! 

I need help identifying the following coin: 

The only information I have is this is possibly a vandal coin and the outside diameter is about 9 to 10 mm. 

Thank You for your help!

Vilmos 

Roman

Maybe theodosius

Alexius73

Thank You for your help!

Maybe this coin from theodosius : RÖMISCHE KAISERZEIT Æ-Nummus, Cyzicus. Theodosius II., 408-450. Grüne Patina, schön. | MA-Shops

Im not sure