Citroen has released the first teaser image of the Cactus M concept, ahead of its debut at the Frankfurt Motor Show.

While the picture doesn't show the vehicle itself, it suggests the concept will have a surfboard rack that houses a blue and white surfboard with plenty of Cactus M badging. 

That's not much to go on but the company has previously said the concept will be a "bold and creative" model that "revisits the spirit of the legendary Méhari."  Speculation has also suggested it could preview a Cactus convertible but nothing is official as of yet.