Yes, that is the post.
For the benefit of those reading this thread down the road aren't left wondering what thread you're referring to, here's a link to that thread which was posted on 10/31/17 at 8:24pm:
http://parkerguns.org/forums/showthread.php?t=22583
The auction closed on 10/31/17 at 8:19pm EDT. The Bid History shows that 28becasse submitted the winning bid of $7500.00 and Oxbowjay was the underbidder at $7475.00 for this Parker Reproduction S/N 28-01866.