there was a bid of US $391.00 retracted in the last few seconds of the auction which will have reduced the price. However, when your bid was due to be placed it would still have been in place and hence the price higher than you were willing to pay.
It's clear to me that the activity of the bidder that removed their bid:
indicates a pattern of bid shielding which should be reported to Ebay.
This kind of fraudulent activity and the action taken by Gixen, when you have an active Mirror subscription, to try to combat it are discussed in this blog: