Riders for Health, the official charity of the FIM and MotoGP, is celebrating the end of the 2014 season by auctioning 17 unique items of motorcycle racing memorabilia.

Stars of MotoGP and Moto3 have donated signed items to Riders for Health, to help raise money for their life-saving work.

Reigning MotoGP World Champion Marc Marquez has donated a signed t-shirt whilst runner-up in this year's Moto3 world championship, Jack Miller, has donated a race-worn knee slider and signed cap.

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The auction also includes two signed pictures of Valentino Rossi, one of the most popular stars of MotoGP, as well as a signed copy of his autobiography 'What if I had never tried it'.

Also available are signed photographs and artwork from British stars Bradley Smith, Scott Redding and Cal Crutchlow. Seven of the Spanish riders in the 2014 championships have also signed unique items. Jorge Lorenzo, Hector Barbera, Marc Marquez, Dani Pedrosa, Alvaro Bautista and the Espargaro brothers have all signed a map of Spain and a Spanish flag which will both be up for grabs.

"We want to say a huge thank you to MotoGP, the teams and the riders who give their time to Riders for Health, and to the fantastic artists and photographers who have donated their work to be auctioned," said Jeanette Wragg, Events Manager at Riders for Health. "Hopefully the friends and families of MotoGP fans will find the perfect Christmas gift in our end of season auction!'

The auction will run on the Riders for Health eBay page until Wednesday 26th November. CLICK HERE to see and place a bid on any of the items.

All of the money raised from the online auction will help Riders for Health ensure health workers in Africa have access to reliable, well maintained motorcycles and ambulances so that they can continue to transform health care for 14 million people.

As part of Riders for Health's Miles for Mothers appeal, all winning bids from UK citizens on any of these auction items will be matched pound for pound by the UK government.