Great Britain: Motorcycle Speedway Racing, a group of 4 certificates comprising Speedways Trust Limited, 1/- shares, 19[28], #972, black, red seal; Associated Speedways Limited, £1 shares, 193[4], #6, red; North London Speedways Ltd., £1 shares, 193[4], #8, blue and 19[38], #10, black, purple seal.