http://agathe.gr/democracy/the_prytaneis.html
The Prytaneis (Executive Committee) The senators administered their meetings themselves. Each tribal contingent in the Boule served in rotation for a period of 35 or 36 days as the Prytaneis, or Executive ... about 470-460 B.C. 9.2 ... (jug). H.: 0.133m. Athens,