Round lid surrounded by a square frame.
Similar to the other covers made by the Gelem company, for example Click for cover's details
Note that the round part of the current lid consists of two pieces of metal of different colors. Translation of the text on the cover
The logo of Mei Ziona Ltd
2013 IS 489
Gelem Concrete Products Patent Pending 170479 www.gelem.co.il
AM500 EN124 Standard mark of the Standards Institute of Israel
On the frame: AMETIS