Sweden. Facit 9c2, 10g1 cover , 12+24 öre on fine cover sent to a Lieutenant at the 10th Infantry Regiment (Danish) at Als, Slesvig, via Copenhagen. Notations "Franco" and "Swensk-Friwillig" but the letter could unfortunately not reach him. At back notation "Fånge i Grawensten". Many cancels shows the handling: MARIESTAD 26.6.1864. FELTPOST No3 9.7, Retour, HELSINGÖR 10.7.1864 and HELSINGBORG 14.7.1864. Franked mail to Slesvig from Sweden is scarce. Small imperfections of less importance. Certificate HOW 2 (3,3) (4,4) 3 (2022).