The iron dagger of King Tutankhamun. Color picture of the iron dagger (Carter no. 256K, JE 61585) with its gold sheath. The full length of the dagger is 34.2 cm.

https://www.researchgate.net/figure/The-iron-dagger-of-King-Tutankhamun-Color-picture-of-the-iron-dagger-Carter-no-256K_fig2_303438775