Maces, halberds, daggers, and swords are the most common form of ceremonial weapons, but in theory almost any weapon can become ceremonial. The Sergeant at Arms in some parliaments carries a ceremonial mace.
The use of ceremonial weapons is often associated with maces, halberds, daggers, and swords, but the concept extends to any weapon that holds symbolic significance. For instance, the Sergeant at Arms of some parliaments uses a ceremonial mace.