Secret decoder ring - Wikipedia
A secret decoder ring (or secret decoder) is a device that allows one to decode a simple substitution cipher —or to encrypt a message by working in the opposite direction. [1]
Amazon.com: Secret Decoder Ring
Retroworks Secret Decoder Ring - Authentic Project MC2 / Secret Window - 2nd of the Decoder Ring Series
Amazon.com: Decoder Ring
Retroworks Authentic Secret Decoder Ring/Alphabet Shift / 4th of the Decoder Ring Series
Secret Decoder Ring - Super Delux Version! - amazon.com
Oct 24, 2013 · This utlra cool stainless steel ring uses a substitution cipher, where one letter of the alphabet is switched for another.
- 4.2/5(17)
Secret Decoder Rings - Etsy
Check out our secret decoder rings selection for the very best in unique or custom, handmade pieces from our statement rings shops.
Secret Decoder Ring - Secret Window Cipher (Retroworks Decoder Ring …
A modern version of an American classic - the Secret Decoder Ring! This one can be worn on the finger. The top band rotates, revealing numbers above each letter.
Secret Decoder Ring - Super Delux Version! – Retroworks
This utlra cool stainless steel ring uses a substitution cipher, where one letter of the alphabet is switched for another.
Secret Decoder Rings – Retroworks
Secret Decoder Ring - Super Delux Version!
Authentic Retroworks - Secret Decoder Ring / Secret Window …
Authentic Retroworks - Secret Decoder Ring / Secret Window Cipher (Medium (USA 10) / 2nd of the Decoder Ring Series Brand: Retroworks 4.4 4.4 out of 5 stars 71 ratings
- Reviews: 71
Decoder / Translator Devices - Puzzle Box World
A secret decoder ring (or secret decoder) is a device which allows one to decode a simple substitution cipher - or to encrypt a message by working in the opposite direction. As inexpensive toys, they have been often used as promotional items by retailers, radio and television programs from the 1930s to current day.