Sale 1:

https://backpack.tf/profiles/76561198255449573#!/compare/1580515200/1580601600

https://backpack.tf/profiles/76561198061634071#!/compare/1580515200/1580601600

Bulk

sale 2:

https://backpack.tf/profiles/76561198061634071#!/compare/1580774400/1580860800

https://backpack.tf/profiles/76561198170143095#!/compare/1580688000/1580860800

Bulk

Sale 3:

https://backpack.tf/profiles/76561198170143095#!/compare/1580688000/1580860800

https://backpack.tf/profiles/76561198112964683#!/compare/1575158400/1581552000

Untrace

Sale 4:

https://backpack.tf/profiles/76561198112964683#!/compare/1582588800/1582675200

https://backpack.tf/profiles/76561198376316409#!/compare/1582588800/1582675200

Sold for ~10 keys

sale 5:

https://backpack.tf/profiles/76561198376316409#!/compare/1582761600/1582848000

https://backpack.tf/profiles/76561198077870175#!/compare/1582761600/1582848000

Sold with 2 keys for Vivid Sky High

use there

https://bot.tf/stats/listings/46N57ZLR

B/O of 12 keys

Sale 6:

https://backpack.tf/profiles/76561198077870175#!/compare/1582761600/1582848000

https://backpack.tf/profiles/76561198322957656#!/compare/1582761600/1582848000

Can trace sweets

Sale 7:

https://backpack.tf/profiles/76561198322957656#!/compare/1582761600/1582848000

https://backpack.tf/profiles/76561198162963055#!/compare/1582761600/1582848000

Bulk

Sale 8:

https://backpack.tf/profiles/76561198162963055#!/compare/1582848000/1582934400

https://backpack.tf/profiles/76561199003855473#!/compare/1582848000/1582934400

Can trace 4 keys

Sale 9:

https://backpack.tf/profiles/76561199003855473#!/compare/1583020800/1583107200

https://backpack.tf/profiles/76561198209640976#!/compare/1583020800/1583107200

Bulk

sale 10:

https://backpack.tf/profiles/76561198209640976#!/compare/1583798400/1583884800

https://backpack.tf/profiles/76561197996992703#!/compare/1583798400/1583884800

Bulk

sale 11:

https://backpack.tf/profiles/76561197996992703#!/compare/1583798400/1583884800

https://backpack.tf/profiles/76561198046921199#!/compare/1583712000/1583884800

Bulk

sale 12:

https://backpack.tf/profiles/76561198046921199#!/compare/1584057600/1584144000

https://backpack.tf/profiles/76561198336086874#!/compare/1583971200/1584144000

Sold for Smoking conq(7.5) + 3 keys

Total is 10.5 keys

https://bot.tf/stats/listings/Y9QZWO9D

B/O of 13 keys

sale 13

https://backpack.tf/profiles/76561198336086874#!/compare/1583971200/1584144000

https://backpack.tf/profiles/76561198273736371#!/compare/1584057600/1584144000

Sold with 2 keys for KaW VRH + negligible sweets

use there

sale 14:

https://backpack.tf/profiles/76561198273736371#!/compare/1584144000/1584230400

https://backpack.tf/profiles/76561198131362066#!/compare/1584057600/1584230400

Bulk

sale 15:

https://backpack.tf/profiles/76561198131362066#!/compare/1584489600/1584576000

https://backpack.tf/profiles/76561198859815156#!/compare/1584489600/1584662400

Sold for keys, can trace 3

sale 16:

https://backpack.tf/profiles/76561198859815156#!/compare/1584489600/1584662400

https://backpack.tf/profiles/76561198289280906#!/compare/1584576000/1584662400

Sold for ~8 keys

sale 17:

https://backpack.tf/profiles/76561198289280906#!/compare/1584835200/1585094400

https://backpack.tf/profiles/76561198076043333#!/compare/1557187200/1585180800

Sold for 10 keys

sale 18:

https://backpack.tf/profiles/76561198076043333#!/compare/1585267200/1585785600

https://backpack.tf/profiles/76561198871886837#!/compare/1585440000/1585526400

Untrace

Sale 19:

https://backpack.tf/profiles/76561198342161127#!/compare/1584835200/1584921600

https://backpack.tf/profiles/76561198247769640#!/compare/1582848000/1585958400

Can trace 5 keys

Sale 20:

https://backpack.tf/profiles/76561198247769640#!/compare/1582848000/1585958400

https://backpack.tf/profiles/76561198879945899#!/compare/1586995200/1587081600

Untrace

sale 21:

https://backpack.tf/profiles/76561198053832327#!/compare/1580428800/1580515200

https://backpack.tf/profiles/76561198138414772#!/compare/1577318400/1581724800

Untrace

sale 22:

https://marketplace.tf/items/tf2/821;5;u58

$15.3 / $1.79 = 8.55 keys

$26.45 / $1.75 = 15.11 keys <--- https://backpack.tf/item/7957650309

$23.91 / $1.79 = 13.36 keys

Total sales @:

8, 8.5, 10, 10, 11, 13, 15 keys

buyers up to ~8 keys,

month unsold for ~16 keys,

https://bot.tf/stats/listings/4J9982ZX

poorly bumped,

calling 8 low,

15 high,

taking 9 - 13 keys.