Authentic Retroworks - Project Mc2 Secret Message Decoder Ring

***Unfortunately your order has been sold out in serial number size 06 This is the second in our Secret Decoder Ring series to use the Incognito Window Encryption. It is a substitution cipher, where each letter of the alphabet is a number. The top rotates and the Incognito Window reveals a number on each letter. You can use it to enter a message and replace each letter with a number. This will be displayed in the window above. The recipient will receive a message at noon 15 – 7 – 22 3 – 22 16 – 17 – 17 – 16. These rings are available in multiple versions (or if you know of one) for retail or wholesale please contact shopretroworks.com for availability.