One of the world's most valuable motorcycles will go under the hammer early next year. Built by Sylvester H. Roper, one of two people with legitimate claims of having invented the motorcycle. Though built in 1894, 27 years after the first Roper Steam Motorcycle, the machine is one of a very small number of motorcycles built by Roper (around nine), and was ridden by him regularly before his death in 1896. The Roper Steam Cycle hence has a provenance of massive historical importance, and is expected to establish a new world record for a motorcycle sold at auction in Las Vegas on January 12 – 14.
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