Unpaid letter sent from Heiligenhafen to Burg Fehmern 17 January 1853, stamped with 1-line mark “Heiligenhafen” + ink. 17/1 and “2” Sch. C due in red crayon. Heiligenhafen 1-line mark only recorded used from 16.11.52 till 21.1.1853 a little more than only two months. Scarce. Heiligenhafen is located north of Oldenburg and south of the Fehmarnsund Brücke in Holstein.