Ever since his tomb was discovered in 1922 by the Britons Howard Carter and Lord Carnarvon, a debate ensued over which type of material was used for one of the two knives on his body.
Experts had clashed on the issue.
Today, the certainty that the blade on display at the Egyptian Museum in Cairo is meteoritic comes from techniques using fluorescence and X rays, which confirms the composition of that iron in different percentages of nickel and cobalt. Also stressed by scientists was the high quality of the blade's manufacture, confirming the high level reached in the age of Tutankhamun in working iron. (ANSAmed).