The earliest worked copper metallic piece was discovered in the Middle East, and was dated to near 9000 BC.
Hans Coper died in 1981.
Coper is a natural resource.
quite simply because coper isnt magnetic.
"Can you please clarify your question? It seems like there may be a typo or missing information."
plate made of coper
coper
Wood stone and coper
steel, coper and ?
with special tools
Cu
Cu(NO3)2 + Zn -> Zn(NO3)2 + Cu
The African Lulua Masks are described in this linkPlease related link below.