Sale 1:

https://backpack.tf/profiles/76561198429423273#!/compare/1566432000/1566604800

https://backpack.tf/profiles/76561198118683165#!/compare/1566691200/1566777600

Untrace

Sale 2:

https://backpack.tf/profiles/76561198081247373#!/compare/1567814400/1567987200

https://backpack.tf/profiles/76561198121635128#!/compare/1567900800/1567987200

Sold for CTFL Dogger

Dogger Mini:

https://backpack.tf/suggestion/5dce73bad38172145c56adc8

Suggestion for 18 keys

sale 3:

https://backpack.tf/profiles/76561198121635128#!/compare/1567987200/1568073600

https://backpack.tf/profiles/76561198020843331#!/compare/1567900800/1568246400

Sold with negligible sweets for Miami Trans + 2 keys

use there, unstable. (sales mostly higher than unsolds)

Sale 4:

https://backpack.tf/profiles/76561198020843331#!/compare/1568332800/1568419200

https://backpack.tf/profiles/76561198036155404#!/compare/1568332800/1568419200

Sold for C9 Festivizer

Festivizer Mini:

https://backpack.tf/suggestion/5dace14f678072422930bbfb

Suggestion for 16 keys

Sale 5:

https://backpack.tf/profiles/76561198036155404#!/compare/1568332800/1568419200

https://backpack.tf/profiles/76561198119675339#!/compare/1568073600/1568419200

Sold for Stormy Tundra(23)

Sale 6:

https://backpack.tf/profiles/76561198119675339#!/compare/1568592000/1569024000

https://backpack.tf/profiles/76561198149175706#!/compare/1568937600/1569024000

Untrace

sale 7:

https://backpack.tf/profiles/76561198149175706#!/compare/1569024000/1569110400

https://backpack.tf/profiles/76561198815908394#!/compare/1569024000/1569110400

Sold for Beams Esteem

Esteem Mini:

https://backpack.tf/suggestion/5dcf32c5d381721c5b42440d

Suggestion for 19 keys

Sale 8:

https://backpack.tf/profiles/76561198815908394#!/compare/1569024000/1569110400

https://backpack.tf/profiles/76561198106308729#!/compare/1569110400/1569196800

Sold for 20 keys

sale 9:

https://backpack.tf/profiles/76561198106308729#!/compare/1569196800/1569283200

https://backpack.tf/profiles/76561198090984953#!/compare/1569110400/1569196800

Sold with 3 keys for Orb Beanie(25)

Total is 22 keys

sale 10:

https://backpack.tf/profiles/76561198090984953#!/compare/1570492800/1571097600

https://backpack.tf/profiles/76561197994697258#!/compare/1570406400/1570492800

Bulk

Total sales @:

16, 18, 19, 20, 22, 23 keys

seller for 22 keys,

calling 16 low,

23 high as a preemptive as the seller for 22 could be unsuccessful for much longer than it currently is....

Taking 18 - 22 keys.