| By Country | By Metal | By Corrosion Form | By Environment |
|---|---|---|---|
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| Metal Family | Alloy | Object type | Object name | Origin | Chronology | Technology | Artefact location |
|---|---|---|---|---|---|---|---|
| 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 |
