Sale 1:

https://backpack.tf/profiles/76561198045232326#!/compare/1590192000/1590278400

https://backpack.tf/profiles/76561198021263777#!/compare/1590019200/1590278400

Sold for ~57 keys in sweets

Sale 2:

https://backpack.tf/profiles/76561198873701634#!/compare/1585785600/1586131200

https://backpack.tf/profiles/76561198305494036#!/compare/1586044800/1586131200

QS

sale 3:

https://backpack.tf/profiles/76561198305494036#!/compare/1586131200/1586217600

https://backpack.tf/profiles/76561198796395930#!/compare/1586131200/1586217600

Sold for 39 keys

sale 4:

https://backpack.tf/profiles/76561198796395930#!/compare/1586217600/1586304000

https://backpack.tf/profiles/76561198148983233#!/compare/1586217600/1586304000

sold for DBD Rifleman + Stormy Engy

Rifleman Mini:

https://backpack.tf/suggestion/5eeb01d04d1c6203051830b0

Suggestion for 41 keys

https://bot.tf/stats/listings/Y79JVP68

B/O of 50 keys, caps by buyers on Engy

sale 5:

https://backpack.tf/profiles/76561198148983233#!/compare/1586390400/1586476800

https://backpack.tf/profiles/76561198048770504#!/compare/1586217600/1586563200

Sold with 3 keys for DBD hot Rod + Miami Marauder + CPs Tossle

Tossle mini:

https://backpack.tf/suggestion/5eea61763bc5c1146d02f9fc

Suggestion for 19 keys

Maruader Mini:

https://backpack.tf/suggestion/5eea6bef6e567b081b565964

suggestion for 17 keys

Hot Rod is unupdatable, most sales end up below buyers.

https://pastebin.com/X1vqi71j

however, caps at buyout by buyers.

https://bot.tf/stats/listings/466729ER

B/O of 42 keys

Sale 6:

https://backpack.tf/profiles/76561198012537041#!/compare/1590019200/1590105600

https://backpack.tf/profiles/76561198305494036#!/compare/1590019200/1590105600

QS

sale 7:

https://backpack.tf/profiles/76561198305494036#!/compare/1590451200/1590537600

https://backpack.tf/profiles/76561198144820745#!/compare/1590364800/1590624000

Sold for ~41 keys

sale 8:

https://backpack.tf/profiles/76561198144820745#!/compare/1591056000/1591142400

https://backpack.tf/profiles/76561198073319377#!/compare/1591056000/1591488000

Sold for ~44 keys in sweets

https://bot.tf/stats/listings/MLV2Q838

B/O of 45 keys

Sale 9:

https://backpack.tf/profiles/76561198073319377#!/compare/1591920000/1592006400

https://backpack.tf/profiles/76561198062784573#!/compare/1591920000/1592006400

Sold for ~45 keys

sale 10:

https://backpack.tf/profiles/76561198062784573#!/compare/1592092800/1592179200

https://backpack.tf/profiles/76561198312314825#!/compare/1592006400/1592179200

Sold for PE Lid + ~3 keys

use there

Sale 11:

https://backpack.tf/profiles/76561198312314825#!/compare/1592179200/1592006400

https://backpack.tf/profiles/76561198162806285#!/compare/1591920000/1592179200

Sold for ~44 keys

Sale 12:

https://marketplace.tf/items/tf2/323;5;u13

$70 / $1.94 = 36.08 keys <--- unable to tell if duped or not.

$99.99 / $1.99 = 50.24 keys <--- https://backpack.tf/item/384245000

Total sales @:

36, 39, 41, 42, 44, 44, 45, 50, 50, 57 keys

buyers up to ~42 keys,

seller at 52 keys unsold for months,

aging sellers for 48 keys,

https://i.imgur.com/STIey7j.jpg

calling 42 low,

57 high,

taking 44 - 50 keys.