Sale 1:

https://backpack.tf/profiles/76561198114569655#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198231082180#!/compare/1565913600/1566000000

Untrace

Sale 2:

https://backpack.tf/profiles/76561198886092761#!/compare/1566000000/1566086400

https://backpack.tf/profiles/76561198002757046#!/compare/1565913600/1566000000

QS

sale 3:

https://backpack.tf/profiles/76561198002757046#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198823739367#!/compare/1565913600/1566000000

Keys, can't accurately tell.

sale 4:

https://backpack.tf/profiles/76561198127938353#!/compare/1563926400/1564012800

https://backpack.tf/profiles/76561198096012995#!/compare/1563926400/1564012800

Sold for 17 keys

Sale 5:

https://backpack.tf/profiles/76561198096012995#!/compare/1564790400/1565136000

https://backpack.tf/profiles/76561198342912573#!/compare/1564704000/1564790400

Untrace

sale 6:

https://backpack.tf/profiles/76561198342912573#!/compare/1564790400/1564876800

https://backpack.tf/profiles/76561198038155090#!/compare/1564790400/1564876800

Untrace

Sale 7:

https://backpack.tf/profiles/76561198038155090#!/compare/1564790400/1564876800

https://backpack.tf/profiles/76561198240478802#!/compare/1564704000/1564876800

Sold for 14 keys

sale 8:

https://backpack.tf/profiles/76561198240478802#!/compare/1564876800/1564963200

https://backpack.tf/profiles/76561198060458887#!/compare/1564876800/1564963200

Untrace

Sale 9:

https://backpack.tf/profiles/76561198060458887#!/compare/1564876800/1564963200

https://backpack.tf/profiles/76561198243519680#!/compare/1564963200/1565049600

Sold with ~3 keys in sweets for OF Nickel

Nickel Mini:

https://backpack.tf/suggestion/5d84857d67807206c95c17a8

Suggestion for 16.5 keys

Total is 13.5 keys

Sale 10:

https://backpack.tf/profiles/76561198243519680#!/compare/1565049600/1565136000

https://backpack.tf/profiles/76561198052478490#!/compare/1565049600/1565136000

Sold for 5 keys + Buds(~2.5) + Aussie Blut(~6.5)

Total is ~14 keys

Sale 11:

https://backpack.tf/profiles/76561198052478490#!/compare/1565049600/1565136000

https://backpack.tf/profiles/76561198230117828#!/compare/1564704000/1565136000

Sold for ~18 keys

Total sales @:

13.5, 14, 14, 17, 18 keys

3 unsolds for 14, 15 keys,

1 unsold for a month,

https://i.imgur.com/kICgXkd.png

taking 14 flat.