Selling:

Classifieds:

http://backpack.tf/classifieds/search/30052/6/0 - 2 for 4 ref, 1 for 4.33 ref. and a ton for 5 ref.

4.88 ref:

http://www.tf2outpost.com/trade/11521532 - Unsold

4.66 ref:

http://www.tf2outpost.com/trade/11462213 - Unsold

http://www.tf2outpost.com/trade/11523402 - Unsold

http://www.tf2outpost.com/trade/11512645 - Unsold

http://www.tf2outpost.com/trade/11436720 - Sold

4.33 ref:

http://www.tf2outpost.com/trade/11370487- Out of stock

http://www.tf2outpost.com/trade/11507740 - Unsold

4.22 ref:

http://www.tf2outpost.com/trade/11491579 - Unsold

4 ref:

http://www.tf2outpost.com/trade/11385443 - Sold

http://www.tf2outpost.com/trade/11461930 - Unsold

http://www.tf2outpost.com/trade/11495812 - Sold

http://www.tf2outpost.com/trade/11410726 - Sold

http://www.tf2outpost.com/trade/11504284 - Unsold

5 ref:

http://www.tf2outpost.com/trade/11474165 - Unsold

http://www.tf2outpost.com/trade/11481080 - Never got sold, it was even level 99

http://www.tf2outpost.com/trade/11406585 - Never got sold, look at the last comment

http://www.tf2outpost.com/trade/11225342 - Sold, outlier

http://www.tf2outpost.com/trade/11494388- Unsold

http://www.tf2outpost.com/trade/11426526 - Unsold

http://www.tf2outpost.com/trade/11483088 - Unsold, "quicksell"

http://www.tf2outpost.com/trade/11406318 - Unsold

http://www.tf2outpost.com/trade/11523938 - Unsold

http://www.tf2outpost.com/trade/11514772 - Unsold

http://www.tf2outpost.com/trade/11522239 - Unsold

http://www.tf2outpost.com/trade/11423516 - Unsold

http://www.tf2outpost.com/trade/11523350 - Unsold

http://www.tf2outpost.com/trade/11510888 - Or 1 key, unsold

http://www.tf2outpost.com/trade/11494694 - Unsold

http://www.tf2outpost.com/trade/11523615 - Unsold, only offer is 4 ref.

http://www.tf2outpost.com/trade/11522620 - Unsold

http://www.tf2outpost.com/trade/11522680 - Unsold

http://www.tf2outpost.com/trade/11515108 - Unsold

http://www.tf2outpost.com/trade/11399342 - Sold

http://www.tf2outpost.com/trade/11509831 - Unsold

http://www.tf2outpost.com/trade/11519020 - Unsold

http://www.tf2outpost.com/trade/11520290 - Unsold

http://www.tf2outpost.com/trade/11483651 - Unsold

http://www.tf2outpost.com/trade/11508200 - Unsold

http://www.tf2outpost.com/trade/11497851 - Unsold

Buying:

4.33 ref. in items:

http://www.tf2outpost.com/trade/11525041 - Willing seller

4.33 ref:

http://www.tf2outpost.com/trade/11507986 - Willing seller

Bought :

http://www.tf2outpost.com/trade/11487308 - Bought for 5 ref

http://www.tf2outpost.com/trade/11418414 - Bought for 4.77