Being also into motorcycles, I checked out the "Rare Motorcycle". Looks like the Chinese Chang Jiang 750 knockoff (of the Russion knockoff) of the wartime R71 Flathead that is being currently marketed with some BMW stickers slapped on.
http://www.vintagesidecar.com/images...th%20CJ750.jpg
Sellers can be nice, but I think inflated desciptions and prices are not a way to attract nice paying customers.