Twice a year, German specialist Automobilia Auktion of Ladenburg holds specialist sales featuring a wealth of motoring memorabilia. Highlights of the amazing 3905 lots up for grabs on 23-24 May include Michael Schumacher’s signed Bell Type KF1 race SPF helmet worn during the 2000 season; Luigi Musso’s trophy collection; Steve McQueen’s registration papers for his Porsche 911; and a 1930s set of original paintings by George Fritz celebrating the newly opened autobahn.

Michael Scumacher's Bell helmet as worn during the 2000 season (est £24,000)
Historic photographs have been an increasing feature of these fascinating sales and single picture often make huge prices. Last year an original print of Enzo Ferrari sitting in an Alfa Romeo RL made €6309 (£5115), while a scrapbook featuring the Centro Sud equipe took €6666 (£5404).

Wonderful shot of Enzo Ferrari with fellow Alfa team drivers at the 1922 Targa Florio

