Egypt
From Jenny Everywhere Wiki
In Reality Z-25 31-H, after Alexander the Great's death, the Philosopher's Stone he had claimed during the conquest of Persia passed to Ptolemy of Egypt. It would remain with his descendants until Cleopatra came under threat by Augustus, whereupon Cleopatra's handmaid sent the Stone “down the Nile” to safety. (COMIC: Nula! Naked and Alone!)
