20 of 442 ids checked against the materials Wikidata records named a different concept (4.5%), read 2026-09-08
copper alloy
Metropolitan Museum of Art, New York, NY and The Art Institute of Chicago8 as in Copper alloy, Iron, copper alloy, partially gilded, silver and niello, Steel, leather, copper alloy, textile, Copper alloy (bronze) and 1 more