Sale 1:

https://backpack.tf/profiles/76561198138340148#!/compare/1585526400/1585612800

https://backpack.tf/profiles/76561198150268365#!/compare/1584403200/1585785600

https://backpack.tf/profiles/76561197984373540#!/compare/1585699200/1585785600

https://backpack.tf/profiles/76561198061694931#!/compare/1585699200/1585785600

https://backpack.tf/profiles/76561198150268365#!/compare/1585785600/1585872000

https://backpack.tf/profiles/76561199004492301#!/compare/1585785600/1585872000

https://backpack.tf/profiles/76561198269337198#!/compare/1585785600/1585872000

Untrace / Gambling

Sale 2:

https://backpack.tf/profiles/76561198337734785#!/compare/1579996800/1580083200

https://backpack.tf/profiles/76561198218178528#!/compare/1579737600/1579996800

Sold for 6 keys

Sale 3:

https://backpack.tf/profiles/76561198218178528#!/compare/1579737600/1579996800

https://backpack.tf/profiles/76561198380291409#!/compare/1579824000/1579996800

Sold for ~6 keys

sale 4:

https://backpack.tf/profiles/76561198380291409#!/compare/1580774400/1581465600

https://backpack.tf/profiles/76561198027853812#!/compare/1581292800/1581465600

Sold with negligible sweets for DP Bot Dogger

nothing usable on Bot Dogger:

https://pastebin.com/F7iUgpXF

sale 5:

https://backpack.tf/profiles/76561198027853812#!/compare/1583020800/1583107200

https://backpack.tf/profiles/76561198194948921#!/compare/1582848000/1583107200

Sold with ~1 key in sweets for CH Burglerre

use there

Sale 6:

https://backpack.tf/profiles/76561198986747837#!/compare/1583193600/1583280000

https://backpack.tf/profiles/76561198950621219#!/compare/1583193600/1583280000

Gambling

Sale 7:

https://marketplace.tf/items/tf2/30039;5;u62

$14.99 / $1.74 = 8.61 keys

$14.99 / $1.69 = 8.87 keys

$15 / $1.70 = 8.82 keys

$12.99 / $1.69 = 7.69 keys

total sales @:

6, 6, 7.5, 8.5, 9, 9 keys

buyers up to 6 keys,

sellers down to 11 keys,

calling 6 low,m

taking 7.5 - 9 keys