The first written report on the use of the mailbox dates back to 1633 and is from the German Leignitz, where it was placed on the Heynisch tower on the postal route Breslau – Leipzig. In the Habsburg monarchy, the first mailbox was located in Vienna in 1785. In the Kingdom of Hungary, i.e. in the territory of today’s Slovakia, the first mailboxes were used only in 1817 on the basis of a decree issued by the court chamber ordering the regular placement of mailboxes in all post offices with specific hours of their collection. The oldest preserved mailbox from our...