Mini.

Sale 1: https://backpack.tf/profiles/76561198327569682#!/compare/1577404800/1577836800

https://backpack.tf/profiles/76561198074335347#!/compare/1576972800/1577750400

Sold for a Circling Heart Bonk Helm (18 keys) + a Strange Festivized Professional Killstreak Iron Bomber (13 keys)

18 + 13 = 31

Sale 2: https://backpack.tf/profiles/76561198327569682#!/compare/1576800000/1576972800

https://backpack.tf/profiles/76561198215837053#!/compare/1576886400/1576972800

Sold with Purple Confetti Frickin' Sweet Ninja Hood (17 keys) for a clean Green Energy Ye Olde Baker Boy (46 keys)

46 - 17 = 29

Mini for the Ninja Hood: https://backpack.tf/suggestion/5e52e994b453c97c764a7775

Sale 3: https://backpack.tf/profiles/76561198135010259#!/compare/1578614400/1578700800

https://backpack.tf/profiles/76561198263314314#!/compare/1578614400/1578700800

21 pure.

Sale 4: https://backpack.tf/profiles/76561198263314314#!/compare/1578787200/1578873600

https://backpack.tf/profiles/76561198290081434#!/compare/1578528000/1578873600

Seems to have sold for 28 pure.

Sale 5: https://backpack.tf/profiles/76561198080179568#!/compare/1579219200/1579305600

https://backpack.tf/profiles/76561198119270680#!/compare/1579132800/1579305600

26 pure.

Sale 6: https://backpack.tf/profiles/76561198119270680#!/compare/1581206400/1581292800

https://backpack.tf/profiles/76561198070538255#!/compare/1581292800/1581379200

38 pure.

Sale 7: https://backpack.tf/profiles/76561198337734785#!/compare/1578355200/1578441600

https://backpack.tf/profiles/76561198043791282#!/compare/1578355200/1578441600

Not sure here.

Sale 8: https://backpack.tf/profiles/76561198043791282#!/compare/1579132800/1579219200

https://backpack.tf/profiles/76561198219377359#!/compare/1579132800/1579219200

Sold for a Kill-a-Watt Lucky Shot (having Scourge work on this) + a Strange Professional Killstreak Australium Force-A-Nature (12 keys) + Earbuds (3 keys)

Sale 9: https://backpack.tf/profiles/76561198219377359#!/compare/1580428800/1580601600

https://backpack.tf/profiles/76561198342161127#!/compare/1580342400/1580428800

Sold with ~4 keys in sweets for a Green Energy Larrikin Robin (~21 keys)

21 - 4 = 17

Mini for the Robin: https://backpack.tf/suggestion/5e53102939316860f47817bd

Sale 10: https://backpack.tf/profiles/76561198304350739#!/compare/1579651200/1580342400

https://backpack.tf/profiles/76561197991963843#!/compare/1566432000/1581552000

Noscam

Sale 11: https://backpack.tf/profiles/76561197991963843#!/compare/1581724800/1581811200

https://backpack.tf/profiles/76561198304302520#!/compare/1581724800/1581811200

24 pure.

Sales: 31, 29, 21, 28, 26, 38, 17 and 24. Classies: https://i.imgur.com/0UuMBWl.png. Going with a range of 24-31.