Three-Rotor Enigma Machine Up for Auction Today newsfeed November 30, 2018 Schneier This post was originally published on this siteSotheby’s is auctioning off a (working, I think) three-rotor Enigma machine today. They’re expecting it to sell for about $200K. I have an Enigma, but it’s without the rotors. This post first appeared on scheiner. Read the original article.