| Cu | 
                                    Cu/Ag, with surface enrichment (Ag) | 
                                    Funeral mask | 
                                    Funeral mask IVc 11595 | 
                                    Peru, north coast | 
                                    Unknown | 
                                    Hammered and annealed, surface depletion | 
                                    Museum der Kulturen, Basel | 
                                
                            
                                
                                    | Cu | 
                                    Cu Alloy | 
                                    Sacrificial knife (tumi in vernacular language) | 
                                    Sacrificial knife (tumi) IVc 23683 | 
                                    Peru | 
                                    Unknown | 
                                    Cast and cold worked | 
                                    Museum der Kulturen, Basel | 
                                
                            
                                
                                    | Cu | 
                                    Gilded brass | 
                                    Votive figure | 
                                    Votive figure of a bat IVb4168 | 
                                    Costa Rica | 
                                    Modern Times | 
                                    Cast, gilding (electroplating?) | 
                                    Museum der Kulturen, Basel | 
                                
                            
                                
                                    | Cu | 
                                    Leaded Bronze | 
                                    Harnessing part / tool | 
                                    Headrest or horse bit VFig 2003.7 | 
                                    Luristan (?) | 
                                    Modern Times | 
                                    Cast and cold worked (with final annealing?) | 
                                    Bible & Orient Museum, Fribourg, Fribourg | 
                                
                            
                                
                                    | Cu | 
                                    Leaded Bronze | 
                                    sculpture | 
                                    Fragment of an Aegis of Neïth 1886.305.0096 | 
                                    ancient Egypt | 
                                     | 
                                    As-cast, engraving, (glass?) inlay, gilding with gold foil. | 
                                    Bernisches Historisches Museum (BHM), Bern, Bern | 
                                
                            
                                
                                    | Cu | 
                                    Leaded Bronze | 
                                    Votive figure | 
                                    Figurine of Egyptian God Bes 1 - ÆIN 223 | 
                                    Archaeological, ancient Egypt, exact provenance unknown | 
                                    3rd Intermediate Period to Late Period | 
                                    Cast | 
                                    Ny Carlsberg Glyptotek (Hast Rebecca), Copenhagen | 
                                
                            
                                
                                    | Cu | 
                                    Cu Zn Ni | 
                                    coin | 
                                    Portuguese Coin - 1 Escudo - 1962 | 
                                    Lisboa, Portugal | 
                                    Modern Times | 
                                    Unknown | 
                                    Cordeiro Lopes Catarina, Porto |