Offers:

http://backpack.tf/classifieds/search/221/11/0 - 1 at 5 keys, 1 at 5.2 keys

Sellers at 4 keys:

http://www.tf2outpost.com/trade/12397608 - b/o: s. grenade -- 4 keys

Sellers at 4.4 keys:

http://www.tf2outpost.com/trade/12397798 - sold

Sellers at 5 keys:

http://www.tf2outpost.com/trade/12398601 - sold

http://www.tf2outpost.com/trade/12397598 - sold

http://www.tf2outpost.com/trade/12355636 - sold

http://www.tf2outpost.com/trade/12354747 - sold

http://www.tf2outpost.com/trade/12393089 - unsold (7 hours)

http://www.tf2outpost.com/trade/12380916 - unsold (16 hours)

http://www.tf2outpost.com/trade/12357612 - unsold (1 day)

http://www.tf2outpost.com/trade/12242025 - unsold (5 days)

http://www.tf2outpost.com/trade/12098233 - unsold (1 week)

http://www.tf2outpost.com/trade/11395751 - unsold (1 month)

Sellers at 5.2 keys:

http://www.tf2outpost.com/trade/12377907 - unsold (18 hours)

http://www.tf2outpost.com/trade/12369613 - unsold (1 day)

http://www.tf2outpost.com/trade/12354162 - unsold (1 day) (2 strange parts)

http://www.tf2outpost.com/trade/12365957 - unsold (1 day)

http://www.tf2outpost.com/trade/12317725 - unsold (2 days)

Sellers at 5.4 keys:

http://www.tf2outpost.com/trade/12397812 - unsold (2 hours)

http://www.tf2outpost.com/trade/12347914 - unsold (1 day)

http://www.tf2outpost.com/trade/12279583 - unsold (3 days)

Buyers:

http://www.tf2outpost.com/trade/12086603 - bought for 3 keys

http://www.tf2outpost.com/trade/11024398 - bought for 4.2 keys

http://www.tf2outpost.com/trade/11384947 - bought for 4.2 keys

http://www.tf2outpost.com/trade/11317664 - bought for 4 keys

http://www.tf2outpost.com/trade/12318009 - bought for 4 keys

http://www.tf2outpost.com/trade/10538880 - willing to sell for 5 keys

http://www.tf2outpost.com/trade/11550504 - willing to sell for 5 keys

http://www.tf2outpost.com/trade/11087076 - willing to sell for 4 keys

http://www.tf2outpost.com/trade/12038226 - willing to sell for 5 keys

http://www.tf2outpost.com/trade/11206490 - willing to sell for 5 keys

http://www.tf2outpost.com/trade/11765962 - willing to sell for 5 keys

http://www.tf2outpost.com/trade/10494210 - willing to sell for 5 keys w/ dominations

http://www.tf2outpost.com/trade/12168444 - bought for 4.4 keys

http://www.tf2outpost.com/trade/11732091 - bought for 5 keys

http://www.tf2outpost.com/trade/12019076 - bought for 5 keys