Opera hat described as: Some sources have taken this to describe an early folding top hat, although it is not explicitly stated whether Dollman's design was specifically for male or female headgear. Dollman's patent expired in 1825. Operating from Poissy, Paris, France, around 1840, Antoine Gibus's design for a spring-loaded collapsible top-hat proved so popular that hats made to it became known as "gibus". They were also often called "opera hats" due to the common practice of storing them in their flattened state under one's seat at the opera, though the term can also refer to any tall formal men's hat. The
Top hat Master to receive top-hat-related trinkets and gifts on either the day of his installation or as a going away present. In other countries, especially in certain systems in Germany, top hats are worn by all members of the lodge. In some synagogues, the president and honorary officers may wear a top hat on Shabbat or the great festivals. The custom of wearing a top hat, or "tzylinder" in the Yiddish language, originated in 19th-century England, replacing the wig and tricorn hat. The custom became widespread in Europe until The Holocaust. In some traditional Sephardi synagogues, members of the congregation may