Seemingly innocuous or unnecessary information can work well as a confirmation code. If every legitimate letter includes that phrase, and a letter is found that does not, it indicates that it is either a forgery or written under duress. (The meta-reason is that it helps the reader know that this is a regular spy transaction. but it is fun to be able to help explain it in-character!)
Donating through the discord server gives you a special role and access to exclusive content and sketch pages weeks ahead of the public updates.You can donate once, or monthly, at your convenience!
Why would you need to state on the letter that you are hiding said letter in the usual spot?
Seemingly innocuous or unnecessary information can work well as a confirmation code. If every legitimate letter includes that phrase, and a letter is found that does not, it indicates that it is either a forgery or written under duress. (The meta-reason is that it helps the reader know that this is a regular spy transaction. but it is fun to be able to help explain it in-character!)
Or if THIS letter would show up in unexpected context.