Update!

Sale 1: https://backpack.tf/profiles/76561198071708503#!/compare/1567728000/1567814400

https://backpack.tf/profiles/76561198076144288#!/compare/1567728000/1567814400

Sold for a clean Cloud 9 Coldsnap Cap (23 keys).

Mini for the Coldsnap: https://backpack.tf/suggestion/5dba00f6d381723d997b197f

Sale 2: https://backpack.tf/profiles/76561198180630257#!/compare/1566432000/1566518400

https://backpack.tf/profiles/76561198335337587#!/compare/1566345600/1566432000

Was not used there in the end and will be very low here.

Sale 3: https://backpack.tf/profiles/76561198335337587#!/compare/1566518400/1566604800

https://backpack.tf/profiles/76561198242032206#!/compare/1566518400/1566604800

Sold for a clean Dead Presidents Cold Killer (16 keys).

Sale 4: https://backpack.tf/profiles/76561198242032206#!/compare/1568592000/1568678400

https://backpack.tf/profiles/76561198156334217#!/compare/1568592000/1568678400

Sold for a clean Haunted Ghosts Noble Nickel Amassment of Hats (18 keys)

Mini for the Nickel: https://backpack.tf/suggestion/5dd3dabf678072617d3a95c7

Sale 5: https://backpack.tf/profiles/76561198239327232#!/compare/1569974400/1570060800

https://backpack.tf/profiles/76561198342161127#!/compare/1569974400/1570060800

Sold for a Vivid Plasma Head Hedge?

Sale 6: https://backpack.tf/profiles/76561198363395191#!/compare/1566950400/1567036800

https://backpack.tf/profiles/76561198052246700#!/compare/1566950400/1567036800

?

Sale 7: https://backpack.tf/profiles/76561198052246700#!/compare/1566950400/1567036800

https://backpack.tf/profiles/76561198973894950#!/compare/1567036800/1567123200

?

Sale 8: https://backpack.tf/profiles/76561198973894950#!/compare/1567036800/1567123200

https://backpack.tf/profiles/76561198074424621#!/compare/1566604800/1567123200

?

Sale 9: https://backpack.tf/profiles/76561198089253101#!/compare/1567641600/1567728000

https://backpack.tf/profiles/76561198205939253#!/compare/1567555200/1567641600

Bulk.

Sale 10: https://backpack.tf/profiles/76561198205939253#!/compare/1567641600/1567728000

https://backpack.tf/profiles/76561198308147530#!/compare/1567728000/1567814400

?

Sale 11: https://backpack.tf/profiles/76561198308147530#!/compare/1567728000/1567814400

https://backpack.tf/profiles/76561198160856661#!/compare/1567641600/1567728000

?

Sale 12: https://backpack.tf/profiles/76561198160856661#!/compare/1567641600/1567728000

https://backpack.tf/profiles/76561198076144288#!/compare/1567641600/1567728000

?

Sale 13: https://backpack.tf/profiles/76561198076144288#!/compare/1567728000/1567814400

https://backpack.tf/profiles/76561198878926324#!/compare/1567728000/1567900800

?

Sale 14: https://backpack.tf/profiles/76561198308147530#!/compare/1567641600/1567728000

https://backpack.tf/profiles/76561198076144288#!/compare/1567728000/1567814400

?

Sale 15: https://backpack.tf/profiles/76561198071708503#!/compare/1567814400/1568073600

https://backpack.tf/profiles/76561198063159107#!/compare/1567814400/1567900800

?

Sale 16: https://backpack.tf/profiles/76561198063159107#!/compare/1567900800/1567987200

https://backpack.tf/profiles/76561198074718149#!/compare/1567814400/1567900800

? DCO and Norsemann match.

Sale 17: https://backpack.tf/profiles/76561198074718149#!/compare/1567900800/1567987200

https://backpack.tf/profiles/76561198071673857#!/compare/1567814400/1567987200

?

Sale 18: https://backpack.tf/profiles/76561198071673857#!/compare/1567814400/1567987200

https://backpack.tf/profiles/76561198109506971#!/compare/1567987200/1568332800

?

Sale 19: https://backpack.tf/profiles/76561198109506971#!/compare/1567987200/1568332800

https://backpack.tf/profiles/76561198089253101#!/compare/1567900800/1567987200

Some bulk.

Sales: 23, 16 and 18. Classies: https://i.imgur.com/WMEcy10.png. The Coldsnap may change further: https://i.imgur.com/7OszqXX.png but going with a range of 16-23 for now.