IMP have posted what appears to be the first official poster for Walt Disney Pictures’ Pirates of the Caribbean: On Stranger Tides.

Pirates of the Caribbean: On Stranger Tides, the fourth installment in the highly successful Pirates of the Caribbean series, is directed by Rob Marshall and produced by Jerry Bruckheimer.

Jack Sparrow and Barbossa embark on a quest to find the elusive fountain of youth, only to discover that Blackbeard and his daughter are after it too.

The film stars Johnny Depp, Penelope Cruz, Geoffrey Rush, Ian McShane, Richard Griffiths, Stephen Graham, Gemma Ward and Judi Dench.

Check out the – possibly – legit poster below:

Pirates of the Caribbean: On Stranger Tides will be released on May 20, 2011.