Update!

Sale 1: https://backpack.tf/profiles/76561198344933095#!/compare/1562457600/1562544000 - 75 pure.

Sale 2: https://backpack.tf/profiles/76561198878055432#!/compare/1562976000/1563062400

https://backpack.tf/profiles/76561198061779536#!/compare/1562630400/1563062400

Can't use there, high outlier: https://i.imgur.com/ymyIwhD.png buyout was 105, sale comes out to 110. https://bot.tf/stats/listings/MVVLG2WM

Sale 3: https://backpack.tf/profiles/76561198061779536#!/compare/1564012800/1564099200

https://backpack.tf/profiles/76561198089253101#!/compare/1564012800/1564099200

No idea.

Sale 4: https://backpack.tf/profiles/76561198089253101#!/compare/1564099200/1564185600

https://backpack.tf/profiles/76561198095862827#!/compare/1564099200/1564185600

58 pure, it seems.

Sale 5: https://backpack.tf/profiles/76561198151434282#!/compare/1569110400/1569196800

https://backpack.tf/profiles/76561198095862827#!/compare/1569110400/1569196800

For some reason, this trade is completely untrackable, never seen anything like this before. I know it sold with 1 key for a clean Purple Energy Salty Dog (113 keys).

113 - 1 = 112

Sale 6: https://backpack.tf/profiles/76561198151434282#!/compare/1569110400/1569196800

https://backpack.tf/profiles/76561198031126990#!/compare/1569110400/1569196800

Quicksold? Calling this and sale 5 an outlier.

Sale 7: https://backpack.tf/profiles/76561198006136307#!/compare/1565136000/1565222400

https://backpack.tf/profiles/76561197994697258#!/compare/1565136000/1565222400

Sum bulk.

Sale 8: https://backpack.tf/profiles/76561197994697258#!/compare/1566000000/1566086400

https://backpack.tf/profiles/76561198089292580#!/compare/1566000000/1566086400

Sold for a clean Molten Mallard Head Warmer (56 keys) + a clean Smoking Pyromancer's Mask (60 keys)

56 + 60 = 116, buyout was 99: https://bot.tf/stats/listings/YDLP67XK

Mini for the Mancer: https://backpack.tf/profiles/76561198830633436#!/compare/1568419200/1568505600

Sold for a clean Nuts n' Bolts Pyromancer's Mask (33 keys) + a clean Smoking Vintage Merryweather (11 keys) + 10 pure + a Strange Killstreak Shooting Star (~8 keys)

33 + 11 + 10 + 8 = 62, buyout was 60: https://bot.tf/stats/listings/M17LGKLO

Mini for the Merry: https://backpack.tf/profiles/76561198080179568#!/compare/1566000000/1566086400

https://backpack.tf/profiles/76561198007146188#!/compare/1565740800/1566086400

11 pure.

Sales: 75 and 99. Buyers: https://i.imgur.com/8ye4GKx.png. Going with a range of 75-100.