Mini.

Current sellers/buyers: https://imgur.com/a/ZCRzT8B

Sale 1: 38 keys, histories match. Buyer is reselling for 60.

https://backpack.tf/profiles/76561198195731583#!/compare/1525305600/1525392000

https://backpack.tf/profiles/76561198135388328#!/compare/1525305600/1525392000

Sale 2: 40 keys (thanks Jarool for correcting this)

https://backpack.tf/profiles/76561198337734785#!/compare/1524355200/1524441600

Sale 3: 42 keys

https://backpack.tf/profiles/76561198142819483#!/compare/1525305600/1525392000

https://backpack.tf/profiles/76561198054758757#!/compare/1525305600/1525392000

Sale 4: Sold with strange gift bringer for spec ks aussie sticky(13.5)+spec ks aussie grenade launcher(15)+aussie flame thrower(16)+aussie black box(11.5)= 56-2=54

https://backpack.tf/profiles/76561198142819483#!/compare/1526169600/1526256000

https://backpack.tf/profiles/76561198309178418#!/compare/1526169600/1526256000

Values of aussies are by lowest sellers(thanks Jarool for correcting this a bit)

Sale 5: Sold with 18 keys for GE Eyewear, using there (this whole suggestion is to price that thing)

https://backpack.tf/profiles/76561198058392572#!/compare/1524528000/1524960000

https://backpack.tf/profiles/76561198013404226#!/compare/1524787200/1524873600

Marketplace sales: https://marketplace.tf/items/30119;5;u88

april 30th: 50/1.97=25.38, rounding to 25

Sales: 38, 40, 42, 54, 25

Calling 25 and 38 low(25 way below buy orders and 38 close to them)

Taking 40-54.

Criticism appreciated ^^