By the signature, in the video clip, there's a box labelled 'Number of copies sent', filled in with a number 2. So, assuming the other copy went on another pige

By the signature, in the video clip, there's a box labelled 'Number of copies sent', filled in with a number 2. So, assuming the other copy went on another pigeon, it could well have already been received and deciphered back in WWII. Here's the still from the video showing that and the signature: http://i.imgur.com/KTp15.png http://i.imgur.com/KTp15.png