Round lid surrounded by square frame. The lid is similar to the round part of other caps by the same manufacturer, for example
Translation of the text on the cover: A. Telitmacher & Sons The emblem of the city of Tel Aviv - Jaffa Irrigation Tel Aviv Jaffa municipality 2004 500 The Standard mark of the Standards Institute of Israel EN124 C250 On the frame: TCAT 500H EN124 C250