TONS available at 3 keys considering the scarcity, nobody's paying higher.

For sale at 3 keys:

http://www.tf2outpost.com/trade/12009936 < slightly less, my own (sold)

http://www.tf2outpost.com/trade/11903730

http://www.tf2outpost.com/trade/11992524

http://www.tf2outpost.com/trade/12009544

http://www.tf2outpost.com/trade/12006981

http://www.tf2outpost.com/trade/12008668

http://www.tf2outpost.com/trade/11958021 <been at it for over a day

http://www.tf2outpost.com/trade/12007149

http://backpack.tf/classifieds/search/dark%20age <6 for 3 keys or less each

Unsold >3 keys:

http://www.tf2outpost.com/trade/11957642 <3+3.11, unsold for over a day

http://www.tf2outpost.com/trade/11967911 <3+2.11 unsold for over a day

http://www.tf2outpost.com/trade/11972738 <3+1.33 unsold for over a day

http://www.tf2outpost.com/trade/11938261 <3+2.66 unsold for over a day

http://www.tf2outpost.com/trade/11975402 <3+1 unsold for over a day

A day might not seem like much, but consider that this is a new item and that new item prices drop *very* quickly.