Breaking Enigma Codes [10]

    
    
    
    

75th Anniversary of Breaking Enigma Codes

Coin reverse 10 pln 75th Anniversary of Breaking Enigma Codes
Coin obverse 10 pln 75th Anniversary of Breaking Enigma Codes
Subject: no
Face value: 10 pln
Alloy: 925/1000 Ag
Diameter: 32 mm
Weight: 14.14 g
Finish: proof
Mintage: 52000 pcs
On the edge: smooth
Additional: angle effect
Date of issue: 2007-03-21
Issue price: 61 pln
A stylised labyrinth of connections referring to the operation of the Enigma cipher machine. In the centre, an inscription, ENIGMA. Below, an inscription, 1932, inverted by 180 degrees. In the rim, an inscription, 75. ROCZNICA ZŁAMANIA SZYFRU ENIGMY (75th anniversary of breaking Enigma codes).

Designer: Ewa Tyc-Karpińska
An image of the Eagle established as the state emblem of the Republic of Poland. Above the Eagle, an inscription, RZECZPOSPOLITA/ POLSKA. In the background, a stylised Enigma cipher machine operation diagram and a stylised inscription, ENIGMA, emerging from the composition of lines. Under the diagram, on the left, the notation of the year of issue, 2007. At the bottom, an inscription, 10 ZŁ. The Mint's mark under the Eagle's left leg.

Designer: Ewa Tyc-Karpińska

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www.coin24.pl 79.00
www.monety.gdynia.pl 79.00
80.00
www.swiat-monet.pl 80.00
www.numizmatyczny.com 90.00
99.99
120.00

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Article linked with this coin

75th Anniversary of Breaking Enigma Codes

The history of Polish contribution to World War II is generally known. However, relatively little is known about the Polish role in the "battle for secrets", i.e. in the reconstruction of the "Enigma", a German cipher machine, and in the development of apparatus that allowed the decryption of the code that was changed by the Germans on a daily basis. The structure of the replica was based on rotating cylinders with the letters A-Z on the circumference and on plugs providing an indefinite number of possible solutions. Without this apparatus, any attempts to decrypt the current key based on a small number of the messages would have been vain. Moreover, German land, marine and air forces used different codes.

At first sight, the Enigma encryption machine resembled ...

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