what metal is this

what metal is this copper? i am unsure

Answer #1
Bronze probably ??
Answer #2
most likely bronze, as most Illyrian helmets were
Answer #3
http://en.wikipedia.org/wiki/Illyrian_type_helmet
Answer #4
http://en.wikipedia.org/wiki/Illyrian_type_helmetGreco-Illyrian haaaa more like Illyrian-greeko since greek helemts were influenced by illyrian helmets + name itself suggests who made it but the magical wonders of wikipedia . where can I find a greenish like texture for bronze i though it was copper but forgot bronze turns greenish