Can anyone identify what this is?

[briank1968]

I found this pin/brooch detecting in western mass and was wondering if anyone can identify or guess age? I think its the Lion of St.Mark? It seems pretty old. Not sure of what metal it is? Maybe copper?

 

[joesmarbles]

Lion Of St. Mark, symbol of veneizia, patron Saint.....Joe McDonough

 

[briank1968]

Any idea of a date?