Proof:

Solds:

https://backpack.tf/profiles/76561198085304366#!/compare/1521504000/1521936000 ~ sold for a c9 neckwear

Mini:

https://backpack.tf/profiles/76561198307849184#!/compare/1521244800/1521331200 ~ sold for a vivid plasma honcho ~ open sugg at 46

Sold #2:

https://backpack.tf/profiles/76561198255903931#!/compare/1520294400/1520380800 ~ sold for a duped sunbeams festivizer + carlton (14 indate) + 3 keys

https://imgur.com/a/Rlcas

https://imgur.com/a/qUOvG

Mini:

https://backpack.tf/profiles/76561198255903931#!/compare/1520467200/1520553600 ~ sold for 38 keys, sellers at 40 so that works

= 55

Sold #3:

https://backpack.tf/profiles/76561198144163981#!/compare/1519776000/1520121600 ~ sold for a vivid plasma kabuto

Mini:

https://backpack.tf/profiles/76561198031126990#!/compare/1521417600/1521504000 ~ bought for 42 pure

Sold #4:

https://backpack.tf/profiles/76561198067965454#!/compare/1519603200/1519689600 ~ sold for a slumber lucky + 10 keys

https://backpack.tf/profiles/76561198035701234#!/compare/1520035200/1520121600 ~ sold for 33 pure (also https://i.imgur.com/qpU9xYk.png ~ unsold at 36 for 20 days )

= 43

Sold #5:

https://backpack.tf/profiles/76561198117090444#!/compare/1520985600/1521072000 ~ sold for a secret mullet ~ 43.5 (44)

------

Extra sales: Credit blaze thermal

https://backpack.tf/profiles/76561198092509893#!/compare/1522195200/1522454400

https://backpack.tf/profiles/76561198011321852#!/compare/1522368000/1522454400 - sold for Starstorm Insomnia Tipped Lid (42) = 42 keys

https://backpack.tf/profiles/76561198085880346#!/compare/1522368000/1522540800 - sold for 43 keys

55 looks like an outlier here

Taking 42-46