SPYSCAPE Happy Birthday Cipher Greeting Card

Spies often send greeting cards as operational signals. All the better if their contents are encrypted. Use the substitution cipher above to decrypt the message on this foil-detailed greeting card.

All of our greeting cards are made from superb quality, FSC-approved card, and come with a unique silver envelope. The inside is blank for your own message.  

Card measures approx 5” x 7” with envelope