Dropping.

Sale 1:

Kill-a-Watt Your Worst Nightmare(21 keys)

Seller before: http://backpack.tf/profiles/76561198011688732?time=1439190000

Seller after: http://backpack.tf/profiles/76561198011688732?time=1439794800

21 * 0.9 = 18.9 rounded to 19 keys

Sale 2:

Blizzardy Storm Federal Casemaker(21.5 keys)

Seller before: http://backpack.tf/profiles/76561198122554260?time=1439632941

Seller after: http://backpack.tf/profiles/76561198122554260?time=1439794800

21.5 * 0.9 = 19.35 rounded down to 19 keys

Sale 3:

Blizzardy Storm Furious Fukaamigasa(17 keys)

Seller before: http://backpack.tf/profiles/76561198018280907?time=1439267569

Seller after: http://backpack.tf/profiles/76561198018280907?time=1439276400

17 * 0.9 = 15 keys (Counting as outlier)

Sale 4:

23 keys pure

Seller before: http://backpack.tf/profiles/76561198061698573?time=1440116806

Seller after: http://backpack.tf/profiles/76561198061698573?time=1440140400

23 keys

Sale 5:

23 keys pure

Seller before: http://backpack.tf/profiles/76561198062135174?time=1438585200

Seller after: http://backpack.tf/profiles/76561198062135174?time=1438671600

23 keys

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Minis:

Blizzardy Storm Furious Fukaamigasa sold for 17 keys:

Seller before: http://backpack.tf/profiles/76561198025374347?time=1439684168

Seller after: http://backpack.tf/profiles/76561198025374347?time=1439794800

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Final price is 19-23 keys

Leave any comments or suggestions below!