Iffy on high end...

If you have any constructive criticism, support, or counter-proof, let me know below!

Classifieds:

4 x 5 ref

Sold at 3 ref (outlier):

http://www.tf2outpost.com/trade/25072950 - “backpack prices preferred”

• bp on 2/14: http://backpack.tf/profiles/76561198081329864?time=1423900800 (2 in stock)
• bp on 2/16: http://backpack.tf/profiles/76561198081329864?time=1424073600 (1 in stock)
• bp on 2/18: http://backpack.tf/profiles/76561198081329864?time=1424246400 (none in stock)

Sold at 4 ref:

http://www.tf2outpost.com/trade/25070260

• bp on 2/15: http://backpack.tf/profiles/76561198045775820?time=1423987200 (22 in stock)
• bp on 2/16: http://backpack.tf/profiles/76561198045775820?time=1424073600 (20 in stock)
• bp on 2/18: http://backpack.tf/profiles/76561198045775820?time=1424246400 (19 in stock)

Seller at 4 ref:

http://www.tf2outpost.com/trade/25095351 (1 day old, 2 in stock)

Sold at 5 ref:

http://www.tf2outpost.com/trade/24518101

• bp on 2/4: http://backpack.tf/profiles/76561198016207672?time=1423036800 (4 in stock)
• bp on 2/5: http://backpack.tf/profiles/76561198016207672?time=1423123200 (3 in stock)
• bp on 2/13: http://backpack.tf/profiles/76561198016207672?time=1423814400 (2 in stock)
• bp on 2/14: http://backpack.tf/profiles/76561198016207672?time=1423900800 (1 in stock)

Sold at 6 ref (outlier):

http://www.tf2outpost.com/trade/14393906

• bp on 2/14: http://backpack.tf/profiles/76561198104742337?time=1423900800 (5 in stock)
• bp on 2/15: http://backpack.tf/profiles/76561198104742337?time=1423987200 (2 in stock)

Seller at 6 ref:

http://www.tf2outpost.com/trade/14464520 (selling for 6 ref on outpost, but 5 ref on classifieds?, 5 in stock)

To show that 3 ref is an outlier, here are some buyers:

http://www.tf2outpost.com/trade/24873414 - 3 ref

http://www.tf2outpost.com/trade/14387877 - 3 ref

http://www.tf2outpost.com/trade/24261432 - 3 ref

http://www.tf2outpost.com/trade/25099331 - 3.77 ref