Update!

This is last, i swear.

Sale 1: https://backpack.tf/profiles/76561198114402400#!/compare/1590796800/1590883200

https://backpack.tf/profiles/76561198122307296#!/compare/1590796800/1590883200

47 pure.

Sale 2: https://backpack.tf/profiles/76561198267838767#!/compare/1586995200/1589932800

https://backpack.tf/profiles/76561198114402400#!/compare/1586995200/1587081600

Some scm, for some reason i can't find the date when Pyro obtained the hat.

Sale 3: https://backpack.tf/profiles/76561198063054044#!/compare/1587772800/1587859200

https://backpack.tf/profiles/76561198068298009#!/compare/1587686400/1587772800

Bulk/use there.

Sale 4: https://backpack.tf/profiles/76561198068298009#!/compare/1587081600/1587168000

https://backpack.tf/profiles/76561198125791160#!/compare/1586995200/1587081600

42 or 49 pure? Dunno.

Sale 5: https://backpack.tf/profiles/76561198063054044#!/compare/1590883200/1591056000

https://backpack.tf/profiles/76561198116807536#!/compare/1590969600/1593561600

44 pure.

Additional by Cashew:

sale 4 is for the scatter, had b/o 50 https://bot.tf/stats/listings/Y5Z5X7ZE

https://backpack.tf/profiles/76561198026129220#!/compare/1586563200/1586649600 the previous sale on the scatter is well above 50

https://marketplace.tf/items/tf2/200;6;strange;kt-3 most recent sale here is 50 keys as well

Would go 44 - 50

Buyers: https://i.imgur.com/67oWqx6.png. 44-50 it is!