Cast metal frame composed of two articulated pieces designed to contain advertisements, signs, indications, etc. (Machine-translation by Google Translate, not legally binding)

摘要

A carved metal frame composed of two articulated pieces intended to contain signs, indications, etc., which is composed of two rectangular wooden or metal frames hinged by means of hinges, and which once closed are kept in this position by inserting a pin in the double hook that each frame is provided. (Machine-translation by Google Translate, not legally binding)