C10200 nga tumbaga+Cu-OF
C10200+TU1+COPPER+Golden plating
C10200+TU2+COPPER+Golden plating
C11000+brass+Cu-ETP
tumbaga C35600+CuZn34Pb2
tumbaga+C28000+CuZn40
tumbaga+C28000
C10200+TU2+COPER