Partly paid letter franked with 4 sk. 1864-issue sent from Horsens in the occupied Jutland to Altona in Holsten 23 September 1864 via Copenhagen to Altona. From 1864 to 1 August 1865 there were not a postal agreement between the Kingdom of Denmark and the Duchies, thus letter letter charged 2 Sch. Courant in Holsten by the addressee.