Resuggestion, thanks to polar for the info!

Sale 1:

https://backpack.tf/profiles/76561198093255661#!/compare/1540771200/1541203200

https://backpack.tf/profiles/76561198037631433#!/compare/1541030400/1541116800

Bulky

Sale 2:

https://backpack.tf/profiles/76561198037631433#!/compare/1541289600/1541376000

https://backpack.tf/profiles/76561198058127952#!/compare/1540252800/1541376000

Sold for Burning Hedge(61) + 35 keys + ~7 keys in sweets

Total is 103 keys

Sale 3:

https://backpack.tf/profiles/76561198079528240#!/compare/1539561600/1539734400

https://backpack.tf/profiles/76561198148495750#!/compare/1539648000/1539734400

Sold with 65 keys + ~6 keys in sweets for GE Tough Stuff(165)

Total is 93 keys

Sale 4:

https://backpack.tf/profiles/76561198148495750#!/compare/1540425600/1540771200

https://backpack.tf/profiles/76561198021272428#!/compare/1540684800/1540771200

Sold with 25 keys for Strange Cool MW Butcher GL

Use there.

Sale 5:

https://backpack.tf/profiles/76561198021272428#!/compare/1541376000/1541462400

https://backpack.tf/profiles/76561198301332732#!/compare/1540857600/1541462400

Sold for 104 keys

Polar's Part:

The low end really is a borderline bulk sale. Maybe better to exclude and call it supporting proof for the price drop?

Total sales @:

93, 103, 104 keys

Taking 105 flat.