The valuation is essentially what someone is willing to pay for it, and in this case, there are only 2 bidders to value it.
Nitpick: This is probably the case 99% of the time, but there is the outside possibility that there were some restrictions on the auction that we do not know about that caused potential bidders to shy away, therefore lowering the perceived value of the assets artificially.
I told them that was going to be a bridge too far.