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 ... The simple black-glaze cups, bowls, and pitchers have a ligature scratched or painted on them: ΔΕ for demosion (public property), presumably so that the senators would not inadvertently walk off with the official crockery. ... Both vases are marked with the ligature ΔΕ for demosion (public property).
