Statue of Darius the Great Carved in Egypt, later erected near the Great Gate of the royal palace in Susa, discovered in 1972 ⤵️
The left- and right-hand sides of the base are decorated with two times twelve figures, which represent twenty-four subject nations ⤵️
Details of scabbard for the dagger and belt Statue as found at Susa ⤵️
The subject nations listed, names of the nations are written in hieroglyphs ⤵️
Persians ruled in Egypt both during Achaemenid period, including the Twenty-seventh Dynasty of Egypt, and for a shorter while in Sasanian period For example this Portrait of a Persian king or satrap. Terracotta, Memphis ⤵️
From Achaemenid rule, we have a lot of other evidence including other statues with partly Iranian clothing etc. ⤵️
Other examples of Iranian clothing & torques ⤵️
As well as these examples among many others (see bottom of image 1-2)