Sale 1:

https://backpack.tf/profiles/76561198059965592#!/compare/1549324800/1549411200

https://backpack.tf/profiles/76561198043814643#!/compare/1549324800/1549411200

Bulk?

Sale 2:

https://backpack.tf/profiles/76561198043814643#!/compare/1549411200/1549497600

https://backpack.tf/profiles/76561198337734785#!/compare/1549411200/1549497600

QS

Sale 3:

https://backpack.tf/profiles/76561198337734785#!/compare/1550102400/1550188800

https://backpack.tf/profiles/76561198441051418#!/compare/1550188800/1550275200

Sold for 18 keys

Sale 4:

https://backpack.tf/profiles/76561198178274473#!/compare/1546300800/1546387200

https://backpack.tf/profiles/76561198175643622#!/compare/1546387200/1546560000

Keys

Sale 5:

https://backpack.tf/profiles/76561198175643622#!/compare/1546387200/1546560000

https://backpack.tf/profiles/76561198089739855#!/compare/1546473600/1546560000

Untrace

Sale 6:

https://backpack.tf/profiles/76561198089739855#!/compare/1546905600/1546992000

https://backpack.tf/profiles/76561198123367526#!/compare/1546905600/1546992000

Sold for ~18 keys

Sale 7:

https://backpack.tf/profiles/76561198123367526#!/compare/1547337600/1548374400

https://backpack.tf/profiles/76561198863709718#!/compare/1547337600/1547424000

https://backpack.tf/profiles/76561198214853803#!/compare/1549584000/1550707200

Scammed, then SCM

Sale 8:

https://backpack.tf/profiles/76561198080179568#!/compare/1546646400/1546732800

https://backpack.tf/profiles/76561198061108191#!/compare/1546560000/1546732800

Untrace

Sale 9:

https://backpack.tf/profiles/76561198061108191#!/compare/1546905600/1547078400

https://backpack.tf/profiles/76561198358778649#!/compare/1546992000/1547078400

QS to bot

Sale 10:

https://backpack.tf/profiles/76561198136883260#!/compare/1546128000/1546214400

https://backpack.tf/profiles/76561198175073325#!/compare/1546041600/1546214400

Sold for 20 keys

Sale 11:

https://backpack.tf/profiles/76561198362008411#!/compare/1549584000/1549670400

https://backpack.tf/profiles/76561198337734785#!/compare/1549584000/1549670400

QS

Sale 12:

https://backpack.tf/profiles/76561198337734785#!/compare/1549670400/1549756800

https://backpack.tf/profiles/76561198263739357#!/compare/1549324800/1549756800

Sold for 22 keys

Sale 13:

https://backpack.tf/profiles/76561198263739357#!/compare/1549324800/1549756800

https://backpack.tf/profiles/76561198021272428#!/compare/1549670400/1549756800

Bulk

Sale 14:

https://backpack.tf/profiles/76561198021272428#!/compare/1550880000/1551052800

https://backpack.tf/profiles/76561198324290571#!/compare/1550793600/1551052800

Sold for 18 keys

Sale 15:

https://backpack.tf/profiles/76561198324290571#!/compare/1551830400/1552003200

https://backpack.tf/profiles/76561198337734785#!/compare/1551916800/1552003200

QS

Sale 16:

https://backpack.tf/profiles/76561198337734785#!/compare/1552089600/1552176000

https://backpack.tf/profiles/76561198305514305#!/compare/1552089600/1552176000

Sold for 17 keys?

Sale 17:

https://backpack.tf/profiles/76561198454615761#!/compare/1547769600/1547856000

https://backpack.tf/profiles/76561198061108191#!/compare/1547683200/1547856000

Sold for 18 keys

Sale 18:

https://backpack.tf/profiles/76561198362008411#!/compare/1549584000/1549670400

https://backpack.tf/profiles/76561198337734785#!/compare/1549584000/1549670400

QS

Sale 19:

https://backpack.tf/profiles/76561198337734785#!/compare/1550275200/1550361600

https://backpack.tf/profiles/76561198125141227#!/compare/1550275200/1550361600

Sold for 16 keys

Sale 20:

https://backpack.tf/profiles/76561198125141227#!/compare/1550534400/1550793600

https://backpack.tf/profiles/76561198006544512#!/compare/1550707200/1550793600

Sold for ~15 keys?

Sale 21 - 25:

https://marketplace.tf/items/539;5;u29

$32.22 / $1.8 = 17.90 keys

$20.15 / $1.75 = 11.51 keys

$20.00 / $1.75 = 11.43 keys

$39.06 / $1.75 = 22.32 keys

$38.60 / $1.81 = 21.33 keys

Sale 26:

https://backpack.tf/profiles/76561198032176942#!/compare/1549152000/1549238400

https://backpack.tf/profiles/76561198159194104#!/compare/1549152000/1549238400

Sold for 19 keys

Sale 27:

https://backpack.tf/profiles/76561198159194104#!/compare/1549238400/1549324800

https://backpack.tf/profiles/76561198165055074#!/compare/1549238400/1549324800

Bulk

Sale 28:

https://backpack.tf/profiles/76561198165055074#!/compare/1552694400/1552780800

https://backpack.tf/profiles/76561198064729879#!/compare/1552780800/1553040000

Sold for Aces Frickin Sweet

Use there

Sale 29:

https://backpack.tf/profiles/76561198064729879#!/compare/1553040000/1553126400

https://backpack.tf/profiles/76561198192602363#!/compare/1553040000/1553126400

QS?

Total sales @:

11.43, 11.51, 15, 16, 17, 17.90, 18, 18, 18, 18, 19, 20, 21.33, 22, 22.32 keys

Buyers up to 16 keys,

Unsold for 20 keys,

Taking 17 - 20 keys.