New 'Mystery Message Forever' stamp unveiled at DC's Spy Museum

The U.S. Postal Service officially unveiled its newest stamps on Wednesday in a stamp dedication at the International Spy Museum in D.C.

Filled with bright colors and abstract, eclectic patterns, the Mystery Message Forever stamps, debuted in a ceremony featuring Governor Duncan and Tamara Christian, the Spy Museum’s president and chief operating officer. Joining the two were Rebecca Roberts, curator of programming, Planet Word; and an "international spy" as a special guest.  

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"As you add these stamps to your collection, or use them to send a message to your family and friends — we hope they will appeal to the puzzle-solver in all of us," said Robert M. Duncan, a member of the U.S. Postal Service Board of Governors, who served as dedicating official for the ceremony.

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Designed by art director Antonio Alcalá, each stamp contains an abstracted letter, and the full pane of 20 stamps is a visual riddle that spells out a message. The reverse side of the pane also provides the solution.

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The new Mystery Message Forever stamps are equal in value to the current First-Class Mail 1-ounce price. News of the Mystery Message stamps is being shared with the hashtag #MysteryMessageStamps.

Customers may purchase stamps and other philatelic products through the Postal Store at, calling (844) 737-7826, through USA Philatelic, or at Post Office locations nationwide.