11 months outdated.

Untrace

https://backpack.tf/profiles/76561198128173477#!/compare/1592352000/1592611200

https://backpack.tf/profiles/76561198348845919#!/compare/1592611200/1592697600

Untrace

https://backpack.tf/profiles/76561198133931315#!/compare/1590364800/1591228800

https://backpack.tf/profiles/76561198879722456#!/compare/1590451200/1590537600

Untrace

https://backpack.tf/profiles/76561199049180335#!/compare/1589241600/1589328000

https://backpack.tf/profiles/76561198308791549#!/compare/1589068800/1589328000

Bulk

https://backpack.tf/profiles/76561198148446823#!/compare/1589241600/1589328000

https://backpack.tf/profiles/76561199049180335#!/compare/1589241600/1589328000

Untrace

https://backpack.tf/profiles/76561198850274253#!/compare/1588377600/1588464000

https://backpack.tf/profiles/76561198148446823#!/compare/1588204800/1588809600

Sold for 16 keys

https://backpack.tf/profiles/76561198305494036#!/compare/1592784000/1592870400

https://backpack.tf/profiles/76561198091502579#!/compare/1592697600/1592870400

Sold for 15 keys

https://backpack.tf/profiles/76561198179707937#!/compare/1592352000/1592438400

https://backpack.tf/profiles/76561198305494036#!/compare/1592265600/1592352000

Sold for Strange Starstorm Slumber Cranial Carcharodon (15 keys via mini)

https://backpack.tf/profiles/76561198308791549#!/compare/1589328000/1589414400

https://backpack.tf/profiles/76561198133931315#!/compare/1589241600/1589414400

Cranial is 3 months outdated, mini below. Taking 11-19 for the Cranial, as the purchase for 19 was then dumped for 11, both should not be used for a full sugg, but averages 15 keys. Support sale.

Cranial:

Sold with 27 refined for 19 keys

https://backpack.tf/profiles/76561198308791549#!/compare/1589414400/1589500800

https://backpack.tf/profiles/76561198250066834#!/compare/1588377600/1589414400

Sold for 11 keys

https://backpack.tf/profiles/76561198250066834#!/compare/1589500800/1589673600

https://backpack.tf/profiles/76561198213569379#!/compare/1589414400/1589500800

Sold for 26.78 on April 18, 2020 (26.78/1.79 = 14.96 rounding to 15 keys)

Sold for 27.78 on April 22, 2020 (27.78/1.75 = 15.87 rounding to 16 keys)

Sold for 35 on June 18, 2020 (35/1.98 = 17.68 rounding to 18 keys)

https://marketplace.tf/items/tf2/30162;5;u62

Classifieds:

https://gyazo.com/bab7a35e335c4be3b9dd755eb3763f23

3 sellers at 25, 25, and 26, been there for months.

3 @ 15 keys

2 @ 16 keys

1 @ 18 keys

Taking a range of 15-18 keys here.