Sale 1:

https://backpack.tf/profiles/76561198311498888#!/compare/1536883200/1536969600

https://backpack.tf/profiles/76561198135114168#!/compare/1536883200/1536969600

Sold for 8 keys

Sale 2:

https://backpack.tf/profiles/76561198135114168#!/compare/1537056000/1537228800

https://backpack.tf/profiles/76561198375057502#!/compare/1536969600/1537056000

Sold for ~8 keys

Sale 3:

https://backpack.tf/profiles/76561198375057502#!/compare/1537056000/1537142400

https://backpack.tf/profiles/76561198245955786#!/compare/1536969600/1537142400

Can't fully trace/ low

Sale 4:

https://backpack.tf/profiles/76561198245955786#!/compare/1537142400/1537315200

https://backpack.tf/profiles/76561198103341552#!/compare/1537142400/1537315200

Sold for 6 keys + negligible sweets

Sale 5:

https://backpack.tf/profiles/76561198103341552#!/compare/1537142400/1537315200

https://backpack.tf/profiles/76561198132886814#!/compare/1537228800/1537315200

Sold with ~2 keys in sweets for Aussie Amby(9)

Total is 7 keys

Sale 6:

https://backpack.tf/profiles/76561198306288794#!/compare/1533772800/1533859200

https://backpack.tf/profiles/76561198838694815#!/compare/1533772800/1533859200

Sold for 6 keys?

Sale 7:

https://backpack.tf/profiles/76561198074971373#!/compare/1533859200/1533945600

Untrace.

Sale 8:

https://backpack.tf/profiles/76561198074971373#!/compare/1534032000/1534118400

https://backpack.tf/profiles/76561198063476298#!/compare/1533340800/1534032000

Untrace.

Sale 9:

https://backpack.tf/profiles/76561198063476298#!/compare/1533340800/1534032000

https://backpack.tf/profiles/76561198142230616#!/compare/1533945600/1534032000\

Sold with 1 key for Searing Birdcage

Cage Mini:

https://backpack.tf/suggestion/5badbb6544325a5a5a67a377

Suggestion for 12.5 keys

Total is 11.5 keys

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

B/O of 11 keys

Capping

Sale 10:

https://backpack.tf/profiles/76561198142230616#!/compare/1534032000/1534118400

https://backpack.tf/profiles/76561198197900701#!/compare/1525996800/1534118400

Sold with ~1 key in sweets for DP Stormin'

Use there.

Total sales @:

6, 6, 7, 8, 8, 11 keys

Buyers up to 7 keys

Taking 8 - 11 keys