This geocoin is included in the database as it has a connection to the UK military.
| Side A | Side B | Icon | Finish | Edition | Quantity | Description |
| | |  | Polished Silver and Black Nickel | RE | Not Known | Material: Metal Size: 44mm Depth: 3mm Prefix: PC Year: 2009 Designer: GeocoinShop.de Producer: GeocoinShop.de |
| Antique Gold | RE | Not Known | Material: Metal Size: 44mm Depth: 3mm Prefix: PC Year: 2009 Designer: GeocoinShop.de Producer: GeocoinShop.de |
This geocoin is in the shape of a cog wheel. Side A has an encrypted message and the name Arthur Scherbius. Side B has the settings for the Enigma machine and trackable code below.
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References
Icon Figure
Enigma Geocoin Polished Silver / Black Nickel on the GeocoinShop.de Website
Enigma Geocoin Antique Gold on the GeocoinShop.de Website