They look genuine.
I paid $1,500.00 AUD for mine with a set of 75% Toyos... with minimal curb rash.
I'd suggest an in person inspection.
Bear in mind to allow $150.00 to $200.00 per wheel for full refurbishment and repainting if you're fussy... obviously less if one's prepared to DIY just the worse areas.
As they're quite rare over here the price is really determined by the desperation of the purchaser.
If you need tyres as well then as they come with a set, that's a bonus.
In Australia new 'T' Stars from the local stealer retail at around $1,100.00 AUD per wheel. ($4,400.00 AUD as set!! - $1.00 AUD = $0.75c USD)
A s/h price guide would be $2k (AUD) for set of absolutely pristine wheels, $1.5k for a set like mine (good overall condition) and less for anything a bit rough.
ie $1k - $1.5k. As I said they don't appear very often for sale in Oz so the prices may be relatively steeper here than o'seas.