Sale 1:

https://backpack.tf/profiles/76561198353598847#!/compare/1535500800/1546214400

https://backpack.tf/profiles/76561198069414668#!/compare/1546128000/1546214400

Sold for 13 keys (Keys used to buy Unusual)

Sale 2:

https://backpack.tf/profiles/76561198069414668#!/compare/1546128000/1546214400

https://backpack.tf/profiles/76561198113084770#!/compare/1546128000/1546214400

Sold with ~2 keys in sweets for KaW Pile of Scrap(19.5)

Total is 17.5 keys

Sale 3:

https://backpack.tf/profiles/76561198113084770#!/compare/1546214400/1546300800

https://backpack.tf/profiles/76561198065757053#!/compare/1546041600/1546300800

Sold for 15 Keys

Sale 4:

https://backpack.tf/profiles/76561198065757053#!/compare/1546300800/1546387200

https://backpack.tf/profiles/76561198102298597#!/compare/1546300800/1546387200

Sold for keys

Sale 5:

https://backpack.tf/profiles/76561198102298597#!/compare/1546387200/1546473600

https://backpack.tf/profiles/76561198170427507#!/compare/1546387200/1546473600

Sold for 15 keys

Sale 6:

https://backpack.tf/profiles/76561198170427507#!/compare/1546473600/1546560000

https://backpack.tf/profiles/76561198342476957#!/compare/1546387200/1546560000

Sold for C9 Full Metal Drill

Drill Mini:

https://backpack.tf/suggestion/5c8dbc6d67807218a0556c1d

Suggestion for 14.5 keys

Sale 7:

https://backpack.tf/profiles/76561198342476957#!/compare/1546560000/1546646400

https://backpack.tf/profiles/76561198055622215#!/compare/1546646400/1546732800

Bulk?

Sale 8:

https://backpack.tf/profiles/76561198055622215#!/compare/1548720000/1548806400

https://backpack.tf/profiles/76561198292641211#!/compare/1548720000/1548806400

Sold with 4 keys for Strange Clair Airdog

Airdog Mini:

https://backpack.tf/suggestion/5c8dc31bd38172049b7ddf2a

Suggestion for 29.5 keys

Total is 25.5 keys

Sale 9:

https://backpack.tf/profiles/76561198292641211#!/compare/1548806400/1548892800

https://backpack.tf/profiles/76561198133687778#!/compare/1548806400/1548892800

Sold for CTFL Juju + 3 keys

Use there

Sale 10:

https://backpack.tf/profiles/76561198133687778#!/compare/1549324800/1549411200

https://backpack.tf/profiles/76561198202101848#!/compare/1549324800/1549411200

Sold for Ghosts Arms Race

Arms Race Mini:

https://backpack.tf/suggestion/5c8dc4ead38172065c1c9ba6

Suggestion for 28 keys

Sale 11:

https://backpack.tf/profiles/76561198202101848#!/compare/1549497600/1549584000

https://backpack.tf/profiles/76561197962651172#!/compare/1549497600/1549584000

Sold for KaW Slick Cut(16.5)

Total sales @:

13, 14.5, 15, 15, 16, 17.5, 25.5, 28 keys

Buyers up to 12 keys,

calling 13, 25+ the outliers,

Taking 15 - 18 keys