New research has confirmed that beads uncovered in 1911 inside an ancient Egyptian tomb were welded from meteoric iron and are the oldest known example of metalworking.
Anomalous Metallic Object Discovered Inside a 4.5 Billion-Year-Old Meteorite
The Ancient Egyptians Had Iron Because They Harvested Fallen Meteors, Smart News
Ancient Egyptian beads are oldest iron objects found, Egyptology
Metallurgy and Metalworking
Photographs and illustrations of tin slag and bronze crucible
PDF) 5,000 years old Egyptian iron beads made from hammered meteoritic iron Gianluca Miniaci, Vincent Pigott, Marcos Martinon-Torres, Miljana Radivojević, Thilo Rehren, and Zoltan Szokefalvi-Nagy
How do scientists study meteorites?
Why didn't native Americans develop bronze, iron or steel? - Quora
Metallurgy and Metalworking
Age-Old techniques of the goldsmith