The CC 5.0 copy that sold for a record price had a few things going for it:
1) Tremendous high eye appeal which I think is a key factor in setting a high sale price.
2) Old label goodness (possible pressing upgrade? I've had my luck with upgrades before one of which was a 9.2 old label to a 9.6 new label)
3) The Cream-offwhite pages on the old label can, not all the time, upgrade to a higher PQ. Again, I've had upgrades with this when I sent in old labeled books.
I also agree that because it's "that time of year" sort of thing where X-mas is around the corner and people are going to be spending a lot of $ on gifts, trips, etc. definitely not a good time to sell, but a great time to buy. We'll see how the other AF 15's perform in the next few auctions coming up.