Mini for: https://backpack.tf/suggestion/5e0802f391ff3a0e1720d061

Sale 1: https://backpack.tf/profiles/76561198337734785#!/compare/1572307200/1572393600

https://backpack.tf/profiles/76561198187472739#!/compare/1572307200/1572393600

8 pure it seems.

Sale 2: https://backpack.tf/profiles/76561198187472739#!/compare/1573344000/1573430400

https://backpack.tf/profiles/76561198342136112#!/compare/1573344000/1573430400

Sold with 7 in adds for a Strange Professional Killstreak Australium Frontier Justice (13 keys)

13 - 7 = 6

Sale 3: https://backpack.tf/profiles/76561198342136112#!/compare/1573430400/1573516800

https://backpack.tf/profiles/76561198342161127#!/compare/1573430400/1573516800

?

Sale 4: https://backpack.tf/profiles/76561198441381078#!/compare/1575676800/1575763200

https://backpack.tf/profiles/76561198814515169#!/compare/1575763200/1575849600

Sold for a Terror-Watt Flipped Trilby (11 keys)

Mini for the Trilby: https://backpack.tf/suggestion/5e0801c1009f495da64c3822

Sale 5: https://marketplace.tf/items/tf2/30045;5;u56 - 11.05/1.75 = ~6

Sale 6: https://marketplace.tf/items/tf2/30045;5;u56 - 20/1.79 = ~11

Sales: 8, 6, 11, 6 and 11. Classies: https://i.imgur.com/z6OVqfi.png. Cutting high and low sales. Going with 8 flat.