This geocoin was produced for the ‘mega:MK’ mega event.
Alan Turing is at the centre of Side A. An encrypted code is around the outside edge encircling an image of the Enigma Machine and trackable code below on Side B. The trackable icon is the generic trackable logo.
Interestingly, the Side B has a slight difference in the encrypted code with the full code only being on the second release and not on the first.
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References
Icon Figure
Alan Turing & The Enigma Machine on the mega:MK Website
Alan Turing & The Enigma Machine on the mega:MK Facebook Page