Sale 1:

https://backpack.tf/profiles/76561198135979368#!/compare/1562803200/1563926400 OR

https://backpack.tf/profiles/76561197970191143#!/compare/1548720000/1527984000 TO

https://backpack.tf/profiles/76561198103098987#!/compare/1563840000/1563926400

Sold for 14 keys (either person, can't tell specifically, but definitely sold for 14 keys.)

Sale 2:

https://backpack.tf/profiles/76561198103098987#!/compare/1563926400/1564012800

https://backpack.tf/profiles/76561198117862182#!/compare/1563753600/1563926400

Sold for 15 keys

Sale 3:

https://backpack.tf/profiles/76561198117862182#!/compare/1564185600/1564531200

https://backpack.tf/profiles/76561198125791160#!/compare/1564358400/1564444800

Bulky

Sale 4:

https://backpack.tf/profiles/76561198439899407#!/compare/1569715200/1569801600

https://backpack.tf/profiles/76561198853675855#!/compare/1569456000/1569801600

Untrace

Sale 5:

https://backpack.tf/profiles/76561198149151557#!/compare/1564185600/1566000000

https://backpack.tf/profiles/76561198928347702#!/compare/1565913600/1566000000

Untrace / QS

Sale 6:

https://backpack.tf/profiles/76561198928347702#!/compare/1566777600/1566864000

https://backpack.tf/profiles/76561198247406570#!/compare/1566777600/1566864000

Can trace a craft hat

Sale 7:

https://backpack.tf/profiles/76561198247406570#!/compare/1566950400/1567036800

https://backpack.tf/profiles/76561198080922445#!/compare/1566950400/1567036800

Untrace

Sale 8:

https://backpack.tf/profiles/76561198412557163#!/compare/1565740800/1568419200

https://backpack.tf/profiles/76561198835018807#!/compare/1566000000/1566086400

SCM

Sale 9:

https://backpack.tf/profiles/76561198835018807#!/compare/1566086400/1566691200

https://backpack.tf/profiles/76561198258264645#!/compare/1566604800/1566691200

Bulk / Untrace

Sale 10:

https://backpack.tf/profiles/76561198258264645#!/compare/1566604800/1566691200

https://backpack.tf/profiles/76561198040186479#!/compare/1566691200/1566604800

https://backpack.tf/profiles/76561198258264645#!/compare/1566691200/1566864000

Bulk / Transfer / tradeback

Sale 11:

https://backpack.tf/profiles/76561198258264645#!/compare/1567900800/1567987200

https://backpack.tf/profiles/76561198130551038#!/compare/1567814400/1567900800

Untrace

Sale 12:

https://backpack.tf/profiles/76561198345251863#!/compare/1566864000/1566950400

https://backpack.tf/profiles/76561198072502313#!/compare/1566864000/1566950400

Untrace

Sale 13:

https://backpack.tf/profiles/76561198072502313#!/compare/1566950400/1567036800

https://backpack.tf/profiles/76561198204215081#!/compare/1566950400/1567036800

Sold for DP Impaler

use there

https://bot.tf/stats/listings/Y9G3QPXW

B/O of 13 keys

Sale 14:

https://backpack.tf/profiles/76561198204215081#!/compare/1567123200/1567209600

https://backpack.tf/profiles/76561198266985238#!/compare/1567123200/1567209600

Sold for KaW Mountain Cap

used there

Sale 15:

https://backpack.tf/profiles/76561198266985238#!/compare/1568505600/1569024000

https://backpack.tf/profiles/76561198183084561#!/compare/1568937600/1569024000

Sold for 12 Keys (used to buy Steaming Scrap)

Sale 16:

https://backpack.tf/profiles/76561198183084561#!/compare/1569024000/1569110400

https://backpack.tf/profiles/76561198258223464#!/compare/1568937600/1569110400

Sold for Stormy Hetman + 6 keys

Hetman Mini:

https://backpack.tf/suggestion/5d9aaf26d3817222552eaf2c

Suggestion for 8.75 keys

total is 14.75 keys

https://bot.tf/stats/listings/Y5RN9D5E

B/O of 13 keys, capping

Sale 17:

https://backpack.tf/profiles/76561198982256732#!/compare/1569024000/1569110400

https://backpack.tf/profiles/76561198258223464#!/compare/1568851200/1569110400

Sold for C9 Polar

use there

Sale 18:

https://backpack.tf/profiles/76561198258223464#!/compare/1569110400/1569196800

https://backpack.tf/profiles/76561198146138663#!/compare/1569110400/1569196800

Sold for ~11 keys

Total sales @:

11, 12, 13, 14, 15 keys

listings for 14, 15 are new,

taking 11 - 15 keys.