Re-suggestion, thanks to stavo for the screenshot!

Sale 1:

https://backpack.tf/profiles/76561197989057250#!/compare/1531008000/1531094400

https://backpack.tf/profiles/76561198054198170#!/compare/1530921600/1531008000

Sold for ST Pool Party + TW Hermes + Duped Vivid Drill Hat+ Smoking Napper + Strange Corona Australis(27) + 7 keys

Drill Hat Mini:

https://backpack.tf/profiles/76561198805549376#!/compare/1529107200/1529193600

https://backpack.tf/profiles/76561198309970833#!/compare/1529193600/1529280000

Sold for 21 keys + ~10 keys in sweets

Total is 31 keys

Hermes Mini:

https://backpack.tf/profiles/76561198024867201#!/compare/1530057600/1530144000

https://backpack.tf/profiles/76561198415535845#!/compare/1530057600/1530144000

Sold for 14 keys

Napper Mini:

https://backpack.tf/profiles/76561198024867201#!/compare/1530230400/1530316800

https://backpack.tf/profiles/76561197987920843#!/compare/1530316800/1530921600

Sold for 14 keys

Party Mini:

https://marketplace.tf/items/30570;5;u3006

2 sales for ~20 keys

Total is 20 + 14 + 14 + 31 + 27 + 7 = 113 keys

Sale 2:

https://backpack.tf/profiles/76561198054198170#!/compare/1532217600/1532304000

https://backpack.tf/profiles/76561197963394917#!/compare/1532044800/1532304000

Untrace, Cash sale?

Sale 3:

https://backpack.tf/profiles/76561197963394917#!/compare/1532304000/1532390400

https://backpack.tf/profiles/76561198059265081#!/compare/1532304000/1532390400

https://imgur.com/a/RGgCI8n

Sold for 135 keys.

Let's round to a range of 115 - 135 keys.