This corresponds to approximately 5.3 million kronor. The buyer has not been identified. The machine belonged to a French collector.
The Enigma system was used by the Germans during World War II for encrypted communications. The example in question, of the more sophisticated and unusual M4 model, was ordered by Admiral Karl Dönitz in 1941 for communication with the German submarine fleet during the blockade of Britain.
Another M4 machine was sold in New York in 2015 for the equivalent of 3.5 million SEK.
A secret group of British academics, led by mathematician Alan Turing, managed to crack Enigma. Their work quietly contributed greatly to turning the tide of the war for the Allies.
