Sale 1:

https://backpack.tf/profiles/76561198132182386#!/compare/1516924800/1517011200

https://backpack.tf/profiles/76561198267189538#!/compare/1516924800/1517011200

Sold for 20 keys

Sale 2:

https://backpack.tf/profiles/76561198267189538#!/compare/1517788800/1517875200

Sold for Duped Smoking Elfin Deal + Blizzardy Topi + Strange PDA(9.73) + Table Tantrum(1.2) + Genuine Point & Shoot(1.5)

Topi Mini:

https://backpack.tf/suggestion/5ab6e890cf6c752224107d07

Suggestion for 9.5 keys

Elfin Mini:

https://backpack.tf/profiles/76561198267189538#!/compare/1518393600/1518480000

https://backpack.tf/profiles/76561198127919088#!/compare/1518393600/1518480000

Sold for 9 keys

https://backpack.tf/profiles/76561198127919088#!/compare/1519948800/1520121600

https://backpack.tf/profiles/76561198077420857#!/compare/1519948800/1520035200

Sold for 8 keys + 10 ref

Cant find any other usable sales for the duped, going with 9 as 8 + 10 is QS.

Total is 9 + 9.5 + 9.73 + 1.2 + 1.5 = 30.93 keys

Sale 3:

https://backpack.tf/profiles/76561198093438754#!/compare/1517443200/1517529600

https://backpack.tf/profiles/76561198077251918#!/compare/1517356800/1517529600

Bulk.

Sale 4:

https://backpack.tf/profiles/76561198077251918#!/compare/1519171200/1519430400

https://backpack.tf/profiles/76561198297167809#!/compare/1519344000/1519430400

Sold for GF Trucker Topper + Corona Australis(12.75) + Luxury Lounge(1.03) + ToD Ticket(0.53) + 11 ref

https://backpack.tf/suggestion/5ab83083cf6c75031d5e613e

Suggestion for Trucker @ 12.5 keys

Total is 12.5 + 12.75 + 1.03 + 0.53 + 0.34 = 27.15 keys

Total sales @:

20, 27.15, 30.93

buyers up to 21, outlier of 20.

taking 27 - 31 keys.