If you like puzzles, here’s a new stamp just for you.

(Spoilers up ahead.)

USPS art director Antonio Alcala was responsible for the clever design.

“The pane of 20 stamps is a visual riddle spelling out a difficult-to-discern message.

Each colorful square contains a letter in an interesting pattern,“USPS said in a statement.

You don’t need to be an expert code breaker to figure out the message.

The stamp reads, “More than meets the eye!”