348. RIDING CROP , decorated with sterling silver horse’s hoof, made by whip-maker Richard Rowbottom, in timber presentation case.�������������������������������������������������������������������������������������������������������������������������������������� $500–600 349. Horse Racing cards by Sniders & Abrahams, comprising 1907-09 “Australian Jockeys” (6), “1906-07 “Australian Racehorses” (17) & Wills 1906 “Horses of Today” (8) and “Melbourne Cup Winners” (20). Also, 1906 Ogden’s G.B. “Owners Racing Colours & Jockeys” (23). Mixed condition. [Total: 74]. Cat.£380+�������������������������������������������������� $150–200 MOTOR SPORTS 350. MOTOR BIKE RACING: 27th Sept. 1930 CRYSTAL PALACE SPEEDWAY programme for the “INTERNATIONAL BIG SIX CONTEST - AUSTRALIA v ENGLAND” featuring Australians Billy Lamont (Winner of the first World Championship in 1931), Ron Johnson (who twice won the London Riders Championship) and Clem Mitchell (who won the Victorian Individual Speedway Championship in 1936). Rare.�������������������������������������������������������������������������������������������������������������������$100–150 351 351. DONALD CAMPBELL: A group comprising a 1956 two-page letter on his personal letterhead regarding the writer’s ingenious idea for a new method of attachment for automobile road wheels; two postcards of ‘Bluebird K7’; plus large photograph of ‘Bluebird K7’ with inset portrait. All 4 items are signed in ink by Campbell. Donald Campbell (British; 1921-1967) set eight absolute world speed records on water and land in the 1950s & 1960s. He remains the only person to set both land and water speed records in the same year (1964). He died during a water speed record attempt at Coniston Water in England in Bluebird K7 .�������������������������������������������������������������������� $1,000–1,500 352. A group of Formula 1 and Grand Prix drivers signed photographs: Lewis Hamilton, Sebastian Vettel, Mario Andretti, Jack Brabham, Jackie Stewart, John Surtees, Roy Salvadori & Felipe Massa. Various sizes. (8)������������������������������� $150–200 OLYMPICS 353 353. 1920 Antwerp VII, Summer Olympics: Participation Medal in bronze, 60mm. ������������������������������������������������������ $600–800 62