The Rosetta Stone is a dark grey-pinkish granite stone (often incorrectly identified as basalt) with writing on it in two languages, Egyptian and Greek, using three scripts, Hieroglyphic, Demotic Egyptian and Greek. Because Greek was well known, the stone was the key to deciphering the hieroglyphs.

Text of the Rosetta Stone In the reign of the young one who has succeeded his father in the kingship, lord of diadems, most glorious, who has established Egypt and is pious towards the gods, triumphant over his enemies, who has restored the civilized life of men, lord of the Thirty Years Festivals, even as Ptah the Great, a king like Ra, great king of the Upper and Lower countries, offspring of ...