De pocketdecoder is designed as a "functional" geocoin, that can be used to create of solve mystery caches.
To turn the wheel, you can rotate the inner disk and decode every puzzle.
De Pocket Decoder is 55mm in diameter and 70mm high (excluding the top-ring),14mm thick and weighs 120gram. The case is antique silver with a blue enamel.
De Pocket Decoder comes in a red verlvet pouch.
Trackable at Geocaching.com with its own icon.