Sale 1. (22-10-2016)

Sold for 3 keys + 1.5 key of sweets + Stormy Storm Vintage Merryweather(17).

X = 3 + 1.5 + 17

X = 21.5 (rounding up to 22 keys)

Capped at 18 Keys due to Outpost listing.

http://backpack.tf/profiles/76561198198217295#!/compare/1477008000/1477094400

http://www.tf2outpost.com/trade/28550345

Mini for Merryweather

http://backpack.tf/profiles/76561198099873925#!/compare/1476057600/1476403200

http://backpack.tf/profiles/76561198006544512?time=1476403200

https://gyazo.com/1b2156abed8fb045e79274c9c99a560a

Sort by time, the Merryweather was sold with 3.25 Keys for a Blizzardy Storm Vintage Merryweather.

http://www.tf2outpost.com/trade/28468571

B/O of Blizzardy Merryweather was 20 Keys.

X + 3.25 = 20

X = 16.75 (rounded to 17)

Sale 2. (12-10-2016) Duped Sale.

Sold for a Disco Beat Down Medic's Mountain Cap worth 21.5 keys, rounding up to 22 Keys.

http://backpack.tf/profiles/76561198135985672#!/compare/1476057600/1476316800

no outpost.

Mini for Mountain Cap.

http://backpack.tf/suggestion/5820c2c1866747434b6a6bb2

Sale 3. (27-10-2016)

Sold for a Green Confetti Prussian Pickelhaube + 0.5 Key worth of sweets.

http://backpack.tf/profiles/76561198049793971#!/compare/1477526400/1477785600

http://www.tf2outpost.com/trade/28454268

Using to price the Gfetti Prussian Pickethaube.

Sales at 18 and 22 keys. Duped sale is used due to being the high end.

Taking range as 18-22 Keys