Air Mail service erected due to frozen waters at Storebælt on 7th February to Aarhus. Letter sent from Copenhagen 7 February 1922 to Aarhus bearing two 20 øre Christian X issue, paying 20 øre letter rate and 20 øre surcharge for the Air mail surcharge. The plane flew between Aarhus-Samsø and Kalundborg. The Air Force established a tent camp at Gisseløre near Kalundborg and an “Airport” was made directly on the ice, Airmail label 87x13 mm. First Day of Ice Air mail service. The flights from Kalundborg-Aarhus-Kalundborg made a stop at Samsø, flown by pilot Bjarkov.