Is this the front of a button? If so what kind?

[Kevo_DFX]

Diameter is 24 mm

Thanks for looking,
Kevo

 

[vayank54]

It looks like the front of a button. kind of hard to tell what it is but from what I can see plus the diameter. I'd say it a coat button from the early to mid 1900's

 

[CRUSADER]

Heron with fish in mouth Maybe late 19th C