http://agathe.gr/guide/boundary_stones_and_house_of_simon_the_cobbler.html
Boundary Stones and House of Simon the Cobbler Inscribed marble posts were used to mark the entrances to the Agora wherever a street led into the open square. Two have been found in situ, inscribed with ... around 500 B.C. (Figs. 23, ... Tholos, ca. 500 B.C. Figure 24 ... B.C., while a fragmentary