Irony Curtain: From Matryoshka with Love

In Chapter two, you will be in a hotel. There is a vending machine that contains a postcard. It is hidden. Instead of spamming guesses, below is a picture with the solution. I made it to like a dialing pad. 123, 456,789. There is another achievement for getting everything from the machine as well.



When you are outside of the hotel, to the very right near a fortune teller is the mailbox you need to use.