Sale 1:

https://backpack.tf/profiles/76561198091233640#!/compare/1579737600/1582588800

https://backpack.tf/profiles/76561198174361109#!/compare/1579564800/1579996800

Untrace

sale 2:

https://backpack.tf/profiles/76561198174361109#!/compare/1580601600/1580774400

https://backpack.tf/profiles/76561198267189538#!/compare/1580601600/1580688000

Bulk

Sale 3:

https://backpack.tf/profiles/76561198301074064#!/compare/1579824000/1585785600'

https://backpack.tf/profiles/76561198082168552#!/compare/1580083200/1583107200

Untrace

Sale 4:

https://backpack.tf/profiles/76561198305494036#!/compare/1585872000/1585958400

https://backpack.tf/profiles/76561198127352024#!/compare/1585958400/1586908800

Untrace

Sale 5:

https://backpack.tf/profiles/76561198268187402#!/compare/1586131200/1586217600

https://backpack.tf/profiles/76561198808070411#!/compare/1586131200/1586217600

Bulk

Sale 6:

https://backpack.tf/profiles/76561198808070411#!/compare/1586304000/1586390400

https://backpack.tf/profiles/76561198290356364#!/compare/1586304000/1586390400

Sold for Menacing Mustacho

Mustacho Mini:

https://backpack.tf/suggestion/5e9e7b906b19e50a0523c1cf

suggestion for 12 keys

Sale 7:

https://backpack.tf/profiles/76561198290356364#!/compare/1586649600/1586736000

https://backpack.tf/profiles/76561198872796421#!/compare/1586476800/1586649600

Untrace

Sale 8:

https://backpack.tf/profiles/76561198110159721#!/compare/1586649600/1586736000

https://backpack.tf/profiles/76561198374206487#!/compare/1586649600/1586736000

Sold for ssomething, maybe Highway, but doesn't match exactly:

https://backpack.tf/item/7370462456

Sale 9:

https://backpack.tf/profiles/76561198374206487#!/compare/1586649600/1586736000

https://backpack.tf/profiles/76561198373073766#!/compare/1586649600/1586736000

Sold with 1 key for DBD Buckaroo

Buckaroo Mini:

https://backpack.tf/suggestion/5e9e81ad2c694d50ae668798

Suggestion for 12 keys

total is 11 keys

Sale 10:

https://backpack.tf/profiles/76561198373073766#!/compare/1586649600/1586736000

https://backpack.tf/profiles/76561198075610620#!/compare/1586649600/1586736000

Sold for Aces Commando + 1 key

use there

Sale 11:

https://backpack.tf/profiles/76561198075610620#!/compare/1586649600/1586736000

https://backpack.tf/profiles/76561198967308321#!/compare/1585785600/1586736000

Sold for 9 keys

Sale 12:

https://backpack.tf/profiles/76561198967308321#!/compare/1586822400/1586908800

https://backpack.tf/profiles/76561198153763695#!/compare/1586822400/1586908800

Sold for 9 keys

Sale 13:

https://backpack.tf/profiles/76561198153763695#!/compare/1586822400/1586908800

https://backpack.tf/profiles/76561198099686112#!/compare/1586822400/1586908800

Untrace

Sale 14:

https://backpack.tf/profiles/76561198099686112#!/compare/1586908800/1586995200

https://backpack.tf/profiles/76561198251524922#!/compare/1586822400/1586908800

Sold for 10 keys

sale 15:

https://backpack.tf/profiles/76561198251524922#!/compare/1586822400/1586908800

https://backpack.tf/profiles/76561198861472498#!/compare/1586736000/1586908800

Sold for ~12 keys in sweets

Sale 16:

https://backpack.tf/profiles/76561197962704807#!/compare/1583280000/1584316800

https://backpack.tf/profiles/76561198337734785#!/compare/1584230400/1584316800

QS

sale 17:

https://backpack.tf/profiles/76561198219836673#!/compare/1579996800/1580083200

https://backpack.tf/profiles/76561198129197811#!/compare/1579996800/1580083200

Untrace

sale 18:

https://backpack.tf/profiles/76561198129197811#!/compare/1579996800/1580083200

https://backpack.tf/profiles/76561198061687478#!/compare/1579737600/1580083200

Sold for Stormy Swagman

Swagman Mini:

https://backpack.tf/suggestion/5e9e9659a041e146221b7bec

Suggestion for 12 keys

Sale 19:

https://backpack.tf/profiles/76561198061687478#!/compare/1580083200/1580169600

https://backpack.tf/profiles/76561198962743688#!/compare/1579996800/1580083200

Untrace

sale 20:

https://backpack.tf/profiles/76561198962743688#!/compare/1580083200/1580256000

https://backpack.tf/profiles/76561198125234182#!/compare/1580083200/1580169600

Sold for FoD Jack + MW Requiem + FoD Smash

Requiem has inconsistent sales:

https://pastebin.com/4P8jyjRU

Sale 21:

https://backpack.tf/profiles/76561198415884352#!/compare/1580083200/1580169600

https://backpack.tf/profiles/76561198125234182#!/compare/1580083200/1580169600

Low

Sale 22:

https://backpack.tf/profiles/76561198125234182#!/compare/1580428800/1580515200

https://backpack.tf/profiles/76561198375290326#!/compare/1580169600/1580601600

Sold with ~0.5 keys in sweets for Bubbling Pillar

use there

Sale 23:

https://backpack.tf/profiles/76561198375290326#!/compare/1580601600/1580688000

https://backpack.tf/profiles/76561198067526679#!/compare/1574035200/1580601600

Sold for C9 Belgian + negligible sweets

use there

Sale 24 - 30:

https://marketplace.tf/items/tf2/146;5;u56

$18.99 / $1.78 = 10.67 keys <--- https://backpack.tf/item/2350681018

$18.10 / $1.78 = 10.17 keys

$18.99 / $1.75 = 10.85 keys

$18.81 / $1.69 = 11.13 keys

$17.99 / $1.69 = 10.64 keys

$17.99 / $1.68 = 10.71 keys

$25 / $1.79 = 13.97 keys

Total sales @:

9, 9, 10, 10, 11, 11, 11, 11, 11, 11, 12, 12, 14 keys

buyers up to ~9 keys,

seller at 12 keys, unsold for just over a week.

calling 14 high,

9 low,

taking 10 - 12 keys.