Update!

Sale 1: https://backpack.tf/profiles/76561198080179568#!/compare/1573776000/1573862400

https://backpack.tf/profiles/76561198085852627#!/compare/1573689600/1573862400

?

Sale 2: https://backpack.tf/profiles/76561198085852627#!/compare/1573862400/1574294400

https://backpack.tf/profiles/76561198089253393#!/compare/1568678400/1576886400

?

Sale 3: https://backpack.tf/profiles/76561198177838739#!/compare/1570838400/1570924800

https://backpack.tf/profiles/76561198401812933#!/compare/1570665600/1570924800

?

Sale 4: https://backpack.tf/profiles/76561198401812933#!/compare/1570924800/1571356800

https://backpack.tf/profiles/76561198074625962#!/compare/1571270400/1571356800

Use there.

Sale 5: https://backpack.tf/profiles/76561198071588645#!/compare/1570838400/1570924800

https://backpack.tf/profiles/76561198203564124#!/compare/1570752000/1570924800

?

Sale 6: https://backpack.tf/profiles/76561198841279602#!/compare/1570665600/1570752000

https://backpack.tf/profiles/76561198354816040#!/compare/1570492800/1570752000

?

Sale 7: https://backpack.tf/profiles/76561198354816040#!/compare/1570838400/1570924800

https://backpack.tf/profiles/76561198071588645#!/compare/1570838400/1570924800

?

Sale 8: https://backpack.tf/profiles/76561198011827547#!/compare/1576281600/1576368000

https://backpack.tf/profiles/76561198843683108#!/compare/1576281600/1576368000

?

Sale 9: https://backpack.tf/profiles/76561198843683108#!/compare/1576454400/1576540800

https://backpack.tf/profiles/76561198141837483#!/compare/1576454400/1576540800

Sold for a Nuts n' Bolts Brain-Warming Wear (6.5 keys) + 1.3 keys

6.5 + 1.3 = ~8

Mini for the Brain-Warming: https://backpack.tf/suggestion/5e0816f575c5bf6e6c5e5262

Sale 10: https://backpack.tf/profiles/76561198812543484#!/compare/1571097600/1571184000

https://backpack.tf/profiles/76561198134238543#!/compare/1571097600/1571184000

Bulk.

Sale 11: https://backpack.tf/profiles/76561198134238543#!/compare/1571184000/1571270400

https://backpack.tf/profiles/76561198110677513#!/compare/1571097600/1571184000

?

Sale 12: https://backpack.tf/profiles/76561198110677513#!/compare/1571184000/1571270400

https://backpack.tf/profiles/76561198027152204#!/compare/1571184000/1571270400

?

Sale 13: https://backpack.tf/profiles/76561198027152204#!/compare/1571270400/1571702400

https://backpack.tf/profiles/76561198986747837#!/compare/1571184000/1571270400

?

Sale 14: https://backpack.tf/profiles/76561198986747837#!/compare/1571184000/1571270400

https://backpack.tf/profiles/76561197992703391#!/compare/1571270400/1571356800

?

Sale 15: https://backpack.tf/profiles/76561198089253101#!/compare/1575158400/1575244800

https://backpack.tf/profiles/76561198162223682#!/compare/1573257600/1575763200

?

Sale 16: https://backpack.tf/profiles/76561198812543484#!/compare/1570752000/1570838400

https://backpack.tf/profiles/76561198322604644#!/compare/1570752000/1570838400

Sold with a ~key for a Dead Presidents Brigade Helm (10.5 keys)

10.5 - 1 = 9.5

Mini for the Bridage: https://backpack.tf/suggestion/5e083097f7f19b57a63dae83

Sales: 8 and 9.5. Classies: https://i.imgur.com/pT9j36M.png. Sellers aren't old enough yet, going with 8-9.5 for now.