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Lettersheet Sonderburg 27 November 1865 to Copenhagen, Denmark. 2 Schilling HERZOGTH-SCHLESWIG grey-ultramarine cancelled with Prussian two-ring 'SONDERBURG 27/11 65 4-5N'. Backstamped 'HADERSLEBEN 28/11 65', 'KOLDING 28/11' and 'KIØBENHAVN 29/11'. The rate to Denmark after 1.8.1865 was 2 Sch. Blue ink cross under the stamp noting that postage was paid in cash to a rural mail carrier.