Sotheby's Evening sale of Contemporary art is online now and we can see a few interesting things from the line up. The first is that Sotheby's has a fairly large sale for these down times with 64 lots on offer. That's because the evening will open with 25 lots devoted to the Ames collection. Only at lot 26 will we get to the traditional curtain-raisers designed to chum the waters. This November, those works are one of Njideka Akunyili Crosby's highly sought after works. Her market has been so controlled by her dealers refusing to sell to anyone who is not a museum or an institutional-level collector it would appear they were trying to create irresistible conditions for art flipping. After Crosby, it's a gold Stingel of the sort no one seems to be able to get enough of this Autumn. Mark Bradford rounds out the lead-off positions and, almost surprisingly, Yoshitomo Nara bats clean up.