We welcome you to this mission! Your success is critical!
In order to solve this puzzle and to locate the secret mailbox, you will have to prove that you are either
No guidance or hints will be provided - you are on your own!
Should you be so lucky to solve this puzzle, we emphasize that this information is not to be solved with other parties. Any breach will be prosecuted!! In order to proceed, you will have to prove your status by answering a question, only experts are capable of....
Klick on the link below to start