Sale 1:

https://backpack.tf/profiles/76561198342161127#!/compare/1584403200/1584489600

https://backpack.tf/profiles/76561198846813089#!/compare/1584403200/1584489600

Sold for 10 keys

sale 2:

https://backpack.tf/profiles/76561198846813089#!/compare/1584489600/1584835200

https://backpack.tf/profiles/76561198368339225#!/compare/1584748800/1584835200

Sold for KaW Strontium + ~0.5 keys in sweets

use there / low

sale 3:

https://backpack.tf/profiles/76561198368339225#!/compare/1585008000/1585094400

https://backpack.tf/profiles/76561198311400236#!/compare/1584921600/1585008000

Sold with ~0.49 keys in sweets for Smoking Pillar

use there

Sale 4:

https://backpack.tf/profiles/76561198311400236#!/compare/1585526400/1585612800

https://backpack.tf/profiles/76561198975925307#!/compare/1583625600/1585612800

https://backpack.tf/profiles/76561199011488010#!/compare/1584921600/1585612800

https://backpack.tf/profiles/76561197984373540#!/compare/1585526400/1585612800

https://backpack.tf/profiles/76561198061694931#!/compare/1585526400/1585612800

https://backpack.tf/profiles/76561197984373540#!/compare/1585612800/1585699200

https://backpack.tf/profiles/76561198200266727#!/compare/1585612800/1585699200

https://backpack.tf/profiles/76561198341171690#!/compare/1585612800/1585699200

Bulk / untrace / QS

sale 5:

https://backpack.tf/profiles/76561198341171690#!/compare/1586131200/1586217600

https://backpack.tf/profiles/76561198089479310#!/compare/1586131200/1586217600

Sold for 9 keys

sale 6:

https://backpack.tf/profiles/76561197999507606#!/compare/1585267200/1586304000

https://backpack.tf/profiles/76561198834678807#!/compare/1585872000/1586217600

Bulk

sale 7:

https://backpack.tf/profiles/76561198125882527#!/compare/1580947200/1583107200

https://backpack.tf/profiles/76561198384153549#!/compare/1583107200/1583798400

Untrace

sale 8:

https://backpack.tf/profiles/76561198037674114#!/compare/1582675200/1583107200

https://backpack.tf/profiles/76561198020673987#!/compare/1582761600/1583107200

https://backpack.tf/profiles/76561198020673987#!/compare/1583107200/1583280000

https://backpack.tf/profiles/76561198141908598#!/compare/1583107200/1583280000

Untrace

sale 9:

https://backpack.tf/profiles/76561198080179568#!/compare/1583452800/1583539200

https://backpack.tf/profiles/76561198228744024#!/compare/1587859200/1587945600

Untrace

sale 10:

https://backpack.tf/profiles/76561198228744024#!/compare/1587945600/1588204800

https://backpack.tf/profiles/76561198354095813#!/compare/1588118400/1588204800

Sold for Vivid Plumber + 2 keys

use there

sale 11:

https://backpack.tf/profiles/76561198354095813#!/compare/1588291200/1588377600

https://backpack.tf/profiles/76561198413782693#!/compare/1588291200/1588464000

Untrace, maybe for VRH?

sale 12:

https://backpack.tf/profiles/76561198413782693#!/compare/1588809600/1589328000

https://backpack.tf/profiles/76561198341171690#!/compare/1588723200/1588809600

QS

Sale 13:

https://backpack.tf/profiles/76561198341171690#!/compare/1588896000/1588982400

https://backpack.tf/profiles/76561198204215085#!/compare/1588896000/1588982400

Sold for 9 keys

Sale 14:

https://backpack.tf/profiles/76561198204215085#!/compare/1589155200/1589241600

https://backpack.tf/profiles/76561198111664529#!/compare/1588982400/1589155200

sold for DBD Tsar(10) + ~4 keys in sweets

Total is 14 keys

Sale 15:

https://backpack.tf/profiles/76561198037674114#!/compare/1582675200/1583107200

https://backpack.tf/profiles/76561198020673987#!/compare/1582761600/1583107200

https://backpack.tf/profiles/76561198850274253#!/compare/1583020800/1583107200

Untrace / QS

sale 16:

https://backpack.tf/profiles/76561198850274253#!/compare/1584835200/1584921600

https://backpack.tf/profiles/76561198057412106#!/compare/1584835200/1584921600

Untrace

sale 17:

https://backpack.tf/profiles/76561198057412106#!/compare/1584921600/1585008000

https://backpack.tf/profiles/76561198312571585#!/compare/1584921600/1585008000

Sold for ~15 keys in sweets

sale 18:

https://backpack.tf/profiles/76561198312571585#!/compare/1585008000/1585094400

https://backpack.tf/profiles/76561198994319359#!/compare/1584921600/1585094400

Sold with ~7 keys for... something

sale 19:

https://backpack.tf/profiles/76561198994319359#!/compare/1585353600/1585440000

https://backpack.tf/profiles/76561198087057141#!/compare/1585353600/1585440000

Bulk

sale 20:

https://backpack.tf/profiles/76561198087057141#!/compare/1585440000/1585526400

https://backpack.tf/profiles/76561198142230904#!/compare/1585440000/1587081600

Sold with ~1.49 keys in sweets for Vivid Mitre

high here, low there.

Sale 21:

https://backpack.tf/profiles/76561198121830870#!/compare/1581811200/1581897600

https://backpack.tf/profiles/76561198057139045#!/compare/1581897600/1581984000

Untrace

sale 22:

https://backpack.tf/profiles/76561198057139045#!/compare/1582243200/1582329600

https://backpack.tf/profiles/76561198295486957#!/compare/1582848000/1582934400

Untrace

Sale 23:

https://backpack.tf/profiles/76561198059021831#!/compare/1583020800/1583107200

https://backpack.tf/profiles/76561198950621219#!/compare/1583020800/1583107200

https://backpack.tf/profiles/76561198974289370#!/compare/1583280000/1583193600

https://backpack.tf/profiles/76561198950621219#!/compare/1583193600/1583280000

Untrace

sale 24:

https://backpack.tf/profiles/76561198295486957#!/compare/1583452800/1583539200

https://backpack.tf/profiles/76561198355089825#!/compare/1583539200/1583625600

https://backpack.tf/profiles/76561198453530349#!/compare/1583625600/1583539200

Untrace

sale 25:

https://backpack.tf/profiles/76561198453530349#!/compare/1584489600/1584576000

https://backpack.tf/profiles/76561198375667943#!/compare/1583798400/1585958400

Untrace

sale 26:

https://marketplace.tf/items/tf2/614;5;u59

$12 / $1.77 = 6.78 keys

$19.95 / $1.77 = 11.27 keys

$15 / $1.77 = 8.47 keys

$16.89 / $1.68 = 10.05 keys

$16.89 / $1.70 = 9.94 keys

total sales @:

7, 8.5, 9, 9, 10, 10, 10, 11, 14, 15 keys

buyers up to ~7.5 keys, one buyer for ~8.5 keys,

calling 8.5 low,

taking 9 - 11 keys.