Back Corn de posta Catalan Posthorn Danish Posthorn German Corneta de posta Spanish Posta-korneta Basque شیپور پست Persian Postitorvi Finnish Cor postal French קרן דואר HE Postakürt Hungarian
The post horn is a valveless cylindrical brass instrument with a cupped mouthpiece. The instrument was used to signal the arrival or departure of a post rider or mail coach. It was used by postilions of the 18th and 19th centuries.