This hat is pretty damn sexy :3

Sale 1:

Sold for a Scorching Flames Ze Goggles

(59.5*0.9) = 53.55 rounding to 54 keys

http://www.tf2outpost.com/trade/25591435

Seller Before: http://backpack.tf/profiles/76561198053230820?time=1427353200

Seller After: http://backpack.tf/profiles/76561198053230820?time=1428130800

Sale 2:

Sold with a key and sweets ~2 for a Strange Bubbling Bonk Boy

[35 + 1 + (2*0.9)] = 37.8 rounding to 38 keys

http://www.tf2outpost.com/trade/25487305

http://puu.sh/h7cy3/a400a68455.png

Notes:

Mini for the Strange Bubbling Bonk Boy ~35 keys

Sold for a Purple Confetti Frenchman's Beret, a Orbiting Fire Carouser's Capotain and 2 painted Bill’s

(19.5 + 13 + 2.5 + 2.5)*0.9 = 35.01 rounding to 35 keys

http://www.tf2outpost.com/trade/24283276

Before: http://backpack.tf/profiles/76561198001650122?time=1423468800

After: http://backpack.tf/profiles/76561198001650122?time=1423641600

http://www.tf2outpost.com/trade/25283251 B/O of 38 keys

Conclusion:

Sales at 38 and 55 keys. Taking the final range at 38 to 55 keys.