Sale 1:

https://backpack.tf/profiles/76561198156952313#!/compare/1565827200/1566000000

https://backpack.tf/profiles/76561198016269822#!/compare/1565913600/1566000000

SCM

Sale 2:

https://backpack.tf/profiles/76561198016269822#!/compare/1566000000/1566086400

https://backpack.tf/profiles/76561198041879062#!/compare/1565049600/1566864000

SCM

Sale 3:

https://backpack.tf/profiles/76561198350712688#!/compare/1566259200/1566604800

https://backpack.tf/profiles/76561198074149928#!/compare/1566518400/1566604800

Bulk

Sale 4:

https://backpack.tf/profiles/76561198055500998#!/compare/1566864000/1567036800

https://backpack.tf/profiles/76561198113899098#!/compare/1566864000/1566950400

SCM

Sale 5:

https://backpack.tf/profiles/76561198106139655#!/compare/1560988800/1561075200

https://backpack.tf/profiles/76561198055847835#!/compare/1560816000/1560988800

Sold for 15 keys

Sale 6:

https://backpack.tf/profiles/76561198338864471#!/compare/1564790400/1566086400

https://backpack.tf/profiles/76561198971126353#!/compare/1566086400/1568505600

Sold for Miami Swatter + negligible sweets

use there

Sale 7:

https://backpack.tf/profiles/76561198971126353#!/compare/1566086400/1568505600

https://backpack.tf/profiles/76561198002757046#!/compare/1566172800/1566259200

QS

Sale 8:

https://backpack.tf/profiles/76561198002757046#!/compare/1566172800/1566259200

https://backpack.tf/profiles/76561198316071886#!/compare/1566172800/1566259200

Keys

Sale 9:

https://backpack.tf/profiles/76561198208914563#!/compare/1562198400/1562457600

https://backpack.tf/profiles/76561198290557868#!/compare/1562112000/1562198400

Sold for ~20 keys

Sale 10:

https://backpack.tf/profiles/76561198152648165#!/compare/1562716800/1562803200

https://backpack.tf/profiles/76561198068973456#!/compare/1562716800/1562803200

Sold for C9 Trans + 5 keys

Trans Mini:

https://backpack.tf/suggestion/5d7f14be678072565c08387e

Suggestion for 18.5 keys

Total is 13.5 keys

Sale 11:

https://backpack.tf/profiles/76561198068973456#!/compare/1563321600/1563408000

https://backpack.tf/profiles/76561198278481498#!/compare/1563321600/1563408000

Bulk

Sale 12:

https://backpack.tf/profiles/76561198278481498#!/compare/1563408000/1563494400

https://backpack.tf/profiles/76561198305494036#!/compare/1563408000/1563494400

QS to bot

Sale 13:

https://backpack.tf/profiles/76561198305494036#!/compare/1564876800/1564963200

https://backpack.tf/profiles/76561198855744647#!/compare/1564876800/1564963200

Sold for 19 keys

Sale 14:

https://marketplace.tf/items/tf2/322;5;u62

$25.8 / $1.82 = 14.18 keys

Total sales @:

13.5, 14.18, 15, 19, 20 keys

week old seller at 17 keys,

gonna take 14 - 20 keys, conserves range around unsold.