Entire sent from Christianhavns Caserne 21 December 1850 to Roskilde. Footpost cancellation Skilling 5 OVA-1 ‘F: 10 21/12 50 P:’ and on reverse Antiqua III ‘KJØBENHAVN 21/12 1850’ both in bluish green ink. Letter list ‘6 – 3’, no. 6 on the list and rate 3 sk. to Roskilde, in Roskilde 2 sk. local carrier’s fee, total due red crayon ‘5’ charged on front. Footpost letter sent to other cities in Denmark are quite unusual.