Sweden. Utlandsanknytning. Finland. Unpaid cover sent from ÅNGBÅTS PXP No 41 16.10.1873, onboard the steamer "ÅMÅL" (1) on the route Arvika–Säffle–Åmål–Gothenburg, by PKXP Nr 8B UPP 17.10.1873 to STOCKHOLM 20.10.1873, and then by steamer "DAGMAR" to Helsinki. Arrival pmk ANK 25.10. Postage due "50" (penni) equally shared with Sweden. Fantastic ship mail item.