Narmer Palette, 3100 BCE. It contains some of the earliest hieroglyphic inscriptions ever found. The tablet is thought by some to depict the unification of Upper and Lower Egypt under the king Narmer.[2566x1808]

Source: https://reddit.com/r/ArtefactPorn/comments/dzkwo4/narmer_palette_3100_bce_it_contains_some_of_the/