I normally stay out of ebay squabbles, But, if this is the ad.

This is the Real Deal! (THIS IS NOT A FANTASY CHIP WHICH HAS THE DATES OF OPERATION ON THE CHIP!)
This rare chip is a First Issue Dunes Hotel Roulette Chip. Used- but in very nice condition! The chip rack lists this chip as #N9559
T($350-$400) This chip to me is more brown than black. There was no listing for brown!) Buyer pays $1.50 shipping I have set the
reserve incredibly low on this chip too! The chip scan is a bit fuzzy but this chip is SOOO Much better in person! The writing and
the sultan's picture are crystal clear. This chip would be the highlight of anyones collection!

Where is it misleading? Seller does not say he knows of 200 more. Very few sellers will say this. I agree they should divulge numbers if they know them, but it is defiantly not the norm today. He does not say it is 1 of a kind.
I feel the brown and black are the same chip, but do we know for sure?
BTW, I do not know either this seller or the original seller.