They are pretty rare and don't come up for sale much. I would think closer to $1,500 dollars here in the US. A full set just sold here not too long ago in that range.
http://pantera.infopop.cc/eve/...0045562/m/9861024056
The bigger problem might be finding a 15 inch tire that would make use of the 10 inch wheel AND have a ZR rating.
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