Two Konski & Kruger cipher rotors in original pine case, German, circa 1938, serial no, A7762 with matching rotors IV and V, The serial number 7762 is also marked on the side of the box. The box is unusual in its construction with a flat lid and central divider. It is accompanied by a repair tag, possibly unique, from the Sonderwerkstatt (special workshop) in Teltow, near Berlin, with information as follows: Ln. Z.A.-Teltow W.7 (Sonderwerkstatt) Gerät: Schlüsselmaschine Type: 'Enigma' Werk-Nr.:7762 Instandsetzung-Nr. [repair no.] II/0603/4L [?] Schlußprüfung am 6. 1. 43 von [signature] Form.-Nr. 8218a E. Wätzrig, Dahme/Mark On the reverse: Bei Beanstandungenistdieser Anhänger einzusenden. Bei Beanstandungenistdieser Anhänger einzusenden. [In case of complaints, this tag must be sent in.], the case when closed 9 1/2in x 5in x 2 3/4in (24cm x 13cm x 6.5cm) Footnotes: Additional rotors IV and V were introduced for Enigma machines in December 1938. This increased the number of combinations for rotor order by 10 times (from 6 to 60) - an improvement for cipher security. This lot is subject to the following lot symbols: * * VAT on imported items at a preferential rate of 5% on Hammer Price and the prevailing rate on Buyer's Premium. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing