Sale 1:

19 keys

Sold for Omniscient Orb Hephaistos' Handcraft (16k) + ~3 keys worth of items

https://backpack.tf/profiles/76561198056632223#!/compare/1544832000/1545350400

https://backpack.tf/profiles/76561198152519834#!/compare/1545091200/1545350400

no need for mini, was recently priced.

Sale 2

24.5k? (probably not going to use)

Sold for Terror-Watt Tippler's Tricorne (outdated at 13.5) + ~11 keys worth of items

https://backpack.tf/profiles/76561198303138234#!/compare/1546905600/1547251200

https://backpack.tf/profiles/76561198119480491#!/compare/1546732800/1546992000

Can't find mini for TW Tippler's Tricorne :(

Sale 3:

7 keys? (probably not going to use)

Sold w/ Tesla Coil Powdered Practitioner (25k) for Terror-Watt Federal Casemaker (32k)

https://backpack.tf/profiles/76561198125791160#!/compare/1547856000/1547942400

https://backpack.tf/profiles/76561198303138234#!/compare/1547856000/1547942400

Tesla Coil Powdered Practitioner mini:

https://backpack.tf/profiles/76561198252999692#!/compare/1547683200/1547856000

(sold for ~25k worth of items)

Terror-Watt Federal Casemaker mini:

https://backpack.tf/profiles/76561198059965592#!/compare/1549238400/1549324800

Sold for 15k + Disco Beat Down Sky High Fly Guy

Disco Beat Down Sky High Fly Guy mini:

https://marketplace.tf/items/30984;5;u62

Sold for 27.99 on December 13, 2018

27.99/1.64= 17.07 keys (rounded down to 17k) https://manic.tf/keyprice/?at=2018-12-13

Sale 4:

Sold for 18 keys pure

https://backpack.tf/profiles/76561198180836158#!/compare/1548720000/1548979200

Sale 5:

Sold for 13 keys pure (was probably a QS)

https://backpack.tf/profiles/76561198021055079#!/compare/1543795200/1543881600

Sale 6:

Sold for Aussie Scattergun (27k)

https://backpack.tf/profiles/76561198021055079#!/compare/1547510400/1547596800

Sale 7:

Untraceable

https://backpack.tf/profiles/76561198025486280#!/compare/1547596800/1547683200

Sale 8:

Sold for 19 keys

Sold on Marketplace.tf for $34.49 on December 26, 2018 https://marketplace.tf/items/30977;5;u11

34.49/1.8 = 19.16 keys rounded to 19 keys https://manic.tf/keyprice/?at=2018-12-26 (keys were $1.8)

Usable Sales:

13, 18, 19, 19, 19, 27

after you remove 13+27 as outliers, we get 18-19 keys. Going w/ that.