So... what we're bidding on must not match the pictures... because to find those pics, he must have specifically searched for the item... and to specifically search for the item means he knows what it is... but as the listing suggests he isn't sure, his item must look different to the item pictured...
Those pictures might be of the actual item he's selling and he may have contributed those photos to the Big Book of Amiga Hardware. Either way, he's lying when he says,
Check out The Big Book of Amiga Hardware...sorry...it's not there... How about Amiga Hardware Database...don't think so... Well here we have THE definition of "UNOBTAINIUM" as related to the world of Amiga peripherals