Æ, 31.5mm diameter, 10.25 grams.  GIGANTIC WHEEL  EARLS COURT View of wheel, M·B·  1901  LD· in ex. Rv. THE GIGANTIC WHEEL AT EARLS COURT 284 FEET IN DIAMETER & WEIGHS ABOUT 900 TONS. THERE ARE 40 CARS, EACH TO CARRY 39 PERSONS. FROM THE TOP OF THE WHEEL ABOUT 300 FEET WINDSOR CASTLE IS VISIBLE IN THE WEST  Several edge nicks and a stain, otherwise AVF - VF

The gigantic wheel at Earls Court was built in 1895 and demolished in 1907. 

The fore-runner of the London Eye.