Resubmission of http://backpack.tf/vote/id/53bfd4d64cd7b8f44d8b4568

Needs a bit of a bump. 3 keys sells nearly instantly.

http://www.tf2outpost.com/trade/21107850 Offer of 3 + 0.5 item

http://www.tf2outpost.com/trade/21111937 3 key instant sell

http://www.tf2outpost.com/trade/21139263 3 key instant sell

http://www.tf2outpost.com/trade/21135639 3 key instant sell

http://www.tf2outpost.com/trade/21135393 3 key instant sell

http://www.tf2outpost.com/trade/21138934 3 key instant sell

http://www.tf2outpost.com/trade/21130365 3 key instant sell

http://www.tf2outpost.com/trade/21129100 Sold for 4

http://www.tf2outpost.com/trade/21127345 Sold for 3.5 (check his new items, 3 keys + 0.5 item)

http://www.tf2outpost.com/trade/21126909 3 key instasell

http://www.tf2outpost.com/trade/21126190 Sold for 3.8

http://www.tf2outpost.com/trade/20588910#latest Offer of 4

Buyers:

http://www.tf2outpost.com/trade/21111629 3.5, sold

http://www.tf2outpost.com/trade/21113849 4, sold

http://www.tf2outpost.com/trade/21117147 3, sold

http://www.tf2outpost.com/trade/21111202 3.1

http://www.tf2outpost.com/trade/21120582 3.1

tl;dr: None available for 3 keys, most sold instantly, some sold for greater.