Sale 1:

Sold for 47 keys

http://www.tf2outpost.com/trade/28803102 - B/O of 48

Seller: http://backpack.tf/profiles/76561198050933686#!/compare/1488153600/1488240000

Buyer: http://backpack.tf/profiles/76561198042071762#!/compare/1487548800/1489104000

X = 47

Sale 2:

Sold for Searing Plasma Harmburg (Mini at 34 below)

http://www.tf2outpost.com/trade/28790033 - B/O of 37

Seller: http://backpack.tf/profiles/76561198054067158#!/compare/1487376000/1487462400

Buyer: http://backpack.tf/profiles/76561198050933686#!/compare/1487462400/1487548800

X = 34

Sale 3:

Bulk for Burning Woolen

Seller: http://backpack.tf/profiles/76561198086605050#!/compare/1492214400/1492300800

Buyer: http://backpack.tf/profiles/76561198084618542#!/compare/1492128000/1492300800

Searing Harmburg Mini:

http://backpack.tf/suggestion/58ff1904c44045658d3737ed

Sellers:

40 keys:

http://i.imgur.com/DtADBbN.png - 21 days, was lowered

http://backpack.tf/u/76561198053172418

http://www.tf2outpost.com/trade/28659565 – 4 months, listed for 50 here

Sales at:

34

47

Not sure if I should include 34. Seller at 40 supports, though. Can re-suggest at 40-47 if necessary.

Going with 34-47.