Sale 1:

30 keys

Blizzardy Storm Professor's Peculiarity(28) + sweets (2 keys)

https://backpack.tf/profiles/76561198295354861#!/compare/1515283200/1517011200

https://backpack.tf/profiles/76561198115699456#!/compare/1516924800/1517011200

Peculiarity Mini:

28 keys

https://backpack.tf/profiles/76561198295354861#!/compare/1509667200/1509753600

Sale 2:

13 pure (quicksell)

https://backpack.tf/profiles/76561198115699456#!/compare/1516492800/1516665600

Sale 3:

17 (excluding as an outlier, also there is a buyer at 14)

Terror-Watt Pom-Pommed Provocateur(14.5) + 2 pure

https://backpack.tf/profiles/76561198431601848#!/compare/1515715200/1515801600

https://backpack.tf/profiles/76561198089675316#!/compare/1515715200/1515801600

Pom-Pom Mini:

14.5

Vivid Plasma Respectless Robo-Glove(14) + 1 pure

https://backpack.tf/profiles/76561198044099975#!/compare/1515110400/1515369600

https://backpack.tf/profiles/76561198140648101#!/compare/1515024000/1515369600

14 pure:

https://backpack.tf/profiles/76561198125843156#!/compare/1516320000/1516406400

Robo Glove mini:

https://backpack.tf/profiles/76561198066452389#!/compare/1519948800/1520294400

Sale 4:

40 keys

Strange Tesla Coil Lil' Bitey(45 keys) - sweets(4.5 keys)

https://backpack.tf/profiles/76561198035099881#!/compare/1515974400/1516060800

https://backpack.tf/profiles/76561198089675316#!/compare/1515888000/1516060800

Final: 30-40