Sale 1:

https://backpack.tf/profiles/76561198042299159#!/compare/1592438400/1592524800

https://backpack.tf/profiles/76561198144811618#!/compare/1592352000/1592438400

Sold with ~1 key in sweets for Miami Burglerre

Burglerre Mini:

https://backpack.tf/suggestion/5f2613eb2d081c44f66948a5

Suggestion for 10 keys

Total is 9 keys

sale 2:

https://backpack.tf/profiles/76561198144811618#!/compare/1592438400/1592524800

https://backpack.tf/profiles/76561198099580828#!/compare/1592438400/1592524800

Sold with ~0.49 keys in sweets for Stormy Buddy(9)

total is ~8.5 keys

sale 3:

https://backpack.tf/profiles/76561198099580828#!/compare/1592524800/1592611200

https://backpack.tf/profiles/76561198272028917#!/compare/1592438400/1592524800

Untrace

sale 4:

https://backpack.tf/profiles/76561198272028917#!/compare/1592438400/1592524800

https://backpack.tf/profiles/76561198107676964#!/compare/1592438400/1592524800

Sold for Steaming Hottie(8.75) + 1 key

Total is ~10 keys

sale 5:

https://backpack.tf/profiles/76561198107676964#!/compare/1592438400/1592524800

https://backpack.tf/profiles/76561198131466025#!/compare/1592524800/1592611200

Sold for Miami Fur-Lined + negligible sweets

Fur Mini:

https://backpack.tf/suggestion/5f2518d9636352364440c085

Suggestion for 11.5 keys

Total is ~12 keys

sale 6:

https://backpack.tf/profiles/76561198131466025#!/compare/1592697600/1592784000

https://backpack.tf/profiles/76561198101398885#!/compare/1592697600/1592784000

Sold for Blizzardy Bottle

use there

sale 7:

https://backpack.tf/profiles/76561198101398885#!/compare/1592697600/1592784000

https://backpack.tf/profiles/76561198121899381#!/compare/1592697600/1592784000

sold for Cyclone Solo, low.

Sale 8:

https://backpack.tf/profiles/76561198121899381#!/compare/1592956800/1593216000

https://backpack.tf/profiles/76561198117655130#!/compare/1592956800/1593043200

Bulk

sale 9:

https://backpack.tf/profiles/76561198117633845#!/compare/1588550400/1588636800

https://backpack.tf/profiles/76561198399738091#!/compare/1588377600/1588636800

Sold for 9 keys

sale 10:

https://backpack.tf/profiles/76561198399738091#!/compare/1588636800/1588723200

https://backpack.tf/profiles/76561198253471115#!/compare/1587945600/1588723200

Bulk

sale 11:

https://backpack.tf/profiles/76561198253471115#!/compare/1587945600/1588723200

https://backpack.tf/profiles/76561198394457682#!/compare/1588636800/1588723200

Bulky

sale 12:

https://backpack.tf/profiles/76561198394457682#!/compare/1588723200/1588809600

https://backpack.tf/profiles/76561198998829539#!/compare/1588636800/1589500800

Sold for 9 keys

sale 13:

https://backpack.tf/profiles/76561198998829539#!/compare/1591401600/1591488000

https://backpack.tf/profiles/76561198850274253#!/compare/1591315200/1591401600

QS

sale 14:

https://backpack.tf/profiles/76561198850274253#!/compare/1592265600/1592352000

https://backpack.tf/profiles/76561198214461775#!/compare/1592352000/1592524800

QS

sale 15:

https://backpack.tf/profiles/76561198214461775#!/compare/1592611200/1594080000

https://backpack.tf/profiles/76561198337734785#!/compare/1593820800/1593907200

QS

sale 16:

https://backpack.tf/profiles/76561198337734785#!/compare/1595548800/1595635200

https://backpack.tf/profiles/76561198819934552#!/compare/1592870400/1596153600

keys

sale 17:

https://marketplace.tf/items/tf2/223;5;u35

$17 / $1.88 = 9.04 keys

Sale 18:

https://backpack.tf/item/1370542061

https://backpack.tf/profiles/76561198358296372#!/compare/1595462400/1596067200

sale here for 10 keys, but no endpoint, so unusuable for now.

Total sales @:

8.5, 9, 9, 9, 9, (10), 10, 12 keys

buyers up to ~8.4 keys,

poorly bumped unsold at 11 keys for a month,

https://i.imgur.com/cMU1TXv.jpg

calling 8.5 low,

12 high,

taking 9 - 10 keys.