MINI for - https://backpack.tf/suggestion/5e0147220f111c75e26e3a55

Sale 1:

https://backpack.tf/item/712508516

https://backpack.tf/profiles/76561198057671085#!/compare/1574812800/1576454400

https://backpack.tf/profiles/76561198051876509#!/compare/1576713600/1576800000

Untraceable

Sale 2:

https://backpack.tf/item/1002255575

Sold for 5 Keys? and a sweet

https://backpack.tf/profiles/76561198144274759#!/compare/1574294400/1576368000

https://backpack.tf/profiles/76561198139875785#!/compare/1574467200/1576800000\

Sale 3:

https://backpack.tf/item/1356089107

https://backpack.tf/profiles/76561198337734785#!/compare/1571616000/1571702400

https://backpack.tf/profiles/76561198299677852#!/compare/1571702400/1571875200

Untraceable

Sale 4:

https://backpack.tf/item/1500930741

Sold for 8 Keys

https://backpack.tf/profiles/76561198049512514#!/compare/1571788800/1571875200

https://backpack.tf/profiles/76561198443489337#!/compare/1571788800/1571875200

Marketplace

https://marketplace.tf/items/tf2/109;5;u30

Unable to locate histories

Sale 5:

Sold for $17 on Dec 19th, Keys were $1.65

10~ Keys

Sale 6:

Sold for $11.09 on Dec 5th, Keys were $1.69

6.5~ Keys

Sale 7:

Sold for $16.99 on Dec 2nd, Keys were $1.7

10~ Keys

Excluding the 5 & 6.5 key sales as outliers, Going with 10 Keys flat.