Sale 1:

https://backpack.tf/profiles/76561198157183216#!/compare/1578700800/1581206400

https://backpack.tf/profiles/76561198324700619#!/compare/1581120000/1581206400

Bulk

sale 2:

https://backpack.tf/profiles/76561198324700619#!/compare/1581984000/1582070400

https://backpack.tf/profiles/76561198281694064#!/compare/1581638400/1582070400

Sold with ~6 keys in sweets for ~22 keys in sweets

Total is ~16 keys

sale 3:

https://backpack.tf/profiles/76561198281694064#!/compare/1585180800/1585440000

https://backpack.tf/profiles/76561198252999692#!/compare/1585094400/1585180800

Sold for 10 keys

sale 4:

https://backpack.tf/profiles/76561198252999692#!/compare/1585612800/1585699200

https://backpack.tf/profiles/76561198337734785#!/compare/1585612800/1585699200

sold for ~9.5 keys

sale 5:

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

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

Sold for KaW Hallmark(11) + ~0.5 keys in sweets

Total is 11.5 keys

https://bot.tf/stats/listings/4OV8VZEV

B/O of 12 keys

Sale 6:

https://backpack.tf/profiles/76561198125234182#!/compare/1580515200/1580601600

https://backpack.tf/profiles/76561198137735757#!/compare/1580515200/1580688000

Bulky

sale 7:

https://backpack.tf/profiles/76561198137735757#!/compare/1580515200/1580688000

https://backpack.tf/profiles/76561198002757046#!/compare/1580601600/1580688000

QS for ~9.5 keys

sale 8:

https://backpack.tf/profiles/76561198002757046#!/compare/1582329600/1582416000

https://backpack.tf/profiles/76561198354459626#!/compare/1582329600/1582416000

sold for ~10.5 keys

sale 9:

https://backpack.tf/profiles/76561198850274253#!/compare/1585094400/1585180800

https://backpack.tf/profiles/76561198871136698#!/compare/1585094400/1585180800

https://backpack.tf/profiles/76561199021228675#!/compare/1585180800/1585785600

https://backpack.tf/profiles/76561198796327257#!/compare/1585267200/1585526400

https://backpack.tf/profiles/76561198311400236#!/compare/1585180800/1585267200

Untrace / bulk

sale 10:

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

https://backpack.tf/profiles/76561198985910282#!/compare/1585526400/1585612800

QS

sale 11:

https://backpack.tf/profiles/76561198336955997#!/compare/1582588800/1585958400

https://backpack.tf/profiles/76561198850274253#!/compare/1582502400/1582588800

QS

sale 12:

https://backpack.tf/profiles/76561198043753037#!/compare/1585612800/1585699200

https://backpack.tf/profiles/76561198996825813#!/compare/1585612800/1585699200

Sold for miami Billy + ~1 key in sweets

Billy Mini:

https://backpack.tf/suggestion/5ea79676a63a315c251a3121

Suggestion for 10 keys

Total is 11 keys

https://bot.tf/stats/listings/4KVVNDZ1

B/O of 13 keys

sale 13:

https://backpack.tf/profiles/76561198996825813#!/compare/1585699200/1585785600

https://backpack.tf/profiles/76561198341699480#!/compare/1562803200/1585785600

Sold for OF Eye

use there

sale 14:

https://backpack.tf/profiles/76561198341699480#!/compare/1586131200/1586736000

https://backpack.tf/profiles/76561198180321301#!/compare/1586131200/1586217600

Sold for Steaming Beanie

use there, few sales

https://bot.tf/stats/listings/MNR761N3

B/O of 12 keys

sale 15:

https://marketplace.tf/items/tf2/137;5;u34

$27.99 / $1.79 = 15.64 keys

Total sales @:

9.5, 9.5, 10, 10.5, 11, 11.5, 16 keys

buyers up to 8.28 keys, one buyer at 8.4 keys,

unsolds at 13 and higher for months / years,

https://i.imgur.com/ai9XhiX.jpg

seller at ~10 keys unsold for almost 2 weeks,

calling 16 high,

taking 10 - 12 keys.