classies: https://gyazo.com/51feae868502ba934403668c0d18ce41

https://backpack.tf/profiles/76561198043897422#!/compare/1521849600/1521936000

ID's do not match

https://marketplace.tf/items/49;5;u17

Sold on Marketplace.tf on the 5th of February for 63 Dollars

Keys werer about 1.90$ that day: http://manicbot.me/keyprice.txt

63/1.90= 33.1 rounding to 33

33 Keys

https://backpack.tf/profiles/76561198243810876#!/compare/1519689600/1519862400

Sold for 35 Keys Pure

35 Keys

https://backpack.tf/profiles/76561198011671663#!/compare/1517443200/1517529600

Quicksold it after 1 Day for 26 Pure

26 Keys Invalid

https://backpack.tf/profiles/76561198302605789#!/compare/1517356800/1517443200

Sold with 1 Key in Sweets for for Max's Head (19) , a Strange Pro KsAustralium Frontier Justice (14) , a Bills hat (2) and 1 Key in Sweets

19+14+2+1-1= 35

35 Keys

https://backpack.tf/profiles/76561198045692488#!/compare/1516924800/1517011200

Sold for 25 Keys, non quicksell

low outlier

Invalid

https://backpack.tf/profiles/76561198058431653#!/compare/1517961600/1518480000

Sold for a Terror-Wat Condor Cap

better used there

Invalid

Sales we have: 25,26,33,35,35

Droppin 25 and 26 due to buyers and sellers. Going with 33-35