• Clicking on the image leads to the Beer Mat Front.
• Changing the link from Front to Back leads to the Beer Mat Back.
• The Code on the Beer Mat Back
  • It's a shift cipher, with a rotating shift for every day, sequentially increasing:
  • M: Reddington (ROT-1) T: Blues (ROT-2) W: Flock (ROT-3) Th: White (ROT-4) F: Palkcios? (ROT-5) S: Siege (ROT-6) Su: Marcos (ROT-7)
  • The list of words decoded was speakeasy passwords. The coaster from a speakeasy would have the list of passphrases to get into it on the back, but enciphered so the feds couldn't easily get it.