it did make that originally, but then was re-listed pretty much straight away due to bogus bidders upping the price (new bidders having to register therir interest and prove identity etc before bidding) and was then sold at the much lower value.
i think the most expensive record ever is not a rare record at all - just the circumstances surrounding it. Its John Lennons Double Fantasy LP, signed for Mark Chapman a few hours before Chapman killed him. Depending on where you read it it was sold for $464,000 to $525,000
of course that,s an lp and not 45, but still quite playable at 45 rpm...