Sale 1:

https://backpack.tf/profiles/76561198072328749#!/compare/1565049600/1565136000

https://backpack.tf/profiles/76561198096251037#!/compare/1564531200/1565136000

Sold for CTFL Commando

Commando Mini:

https://backpack.tf/suggestion/5d799b44d3817262a42171f7

Suggestion for 15 keys

https://bot.tf/stats/listings/M0DOJNJ2

B/O of 20 keys

Sale 2:

https://backpack.tf/profiles/76561198044203779#!/compare/1565395200/1565568000

https://backpack.tf/profiles/76561198110930731#!/compare/1565395200/1565481600

Sold for 11 keys

Sale 3:

https://backpack.tf/profiles/76561198110930731#!/compare/1565654400/1565827200

https://backpack.tf/profiles/76561198840359034#!/compare/1565654400/1565740800

Sold for Blizzardy Mirror

Mirror Mini:

https://backpack.tf/suggestion/5d927199678072745c1df0ef

Suggestion for 13 keys

Sale 4:

https://backpack.tf/profiles/76561198840359034#!/compare/1567468800/1567814400

https://backpack.tf/profiles/76561198052043171#!/compare/1567728000/1567814400

Sold with Spooky Square for Max Head(21)

bulky by buyers on Square Dance

sale 5:

https://backpack.tf/profiles/76561198079293438#!/compare/1560988800/1561334400

https://backpack.tf/profiles/76561198363395191#!/compare/1560902400/1560988800

QS

Sale 6:

https://backpack.tf/profiles/76561198363395191#!/compare/1564099200/1564185600

https://backpack.tf/profiles/76561198148457707#!/compare/1564012800/1564272000

Untrace

Sale 7:

https://backpack.tf/profiles/76561198197828049#!/compare/1562544000/1562630400

https://backpack.tf/profiles/76561198363395191#!/compare/1562544000/1562630400

Sold for ~14 keys

Sale 8:

https://backpack.tf/profiles/76561198363395191#!/compare/1565740800/1565827200

https://backpack.tf/profiles/76561198285371555#!/compare/1565654400/1565740800

Untrace

Sale 9:

https://backpack.tf/profiles/76561198285371555#!/compare/1567036800/1567123200

https://backpack.tf/profiles/76561197994697258#!/compare/1567036800/1567123200

Bulk

Sale 10:

https://backpack.tf/profiles/76561197994697258#!/compare/1567036800/1567123200

https://backpack.tf/profiles/76561198203885895#!/compare/1566172800/1567382400

Untrace

Sale 11:

https://backpack.tf/profiles/76561198824740252#!/compare/1563321600/1563494400

https://backpack.tf/profiles/76561198843319591#!/compare/1556755200/1563494400

Untrace / bulk

Sale 12:

https://backpack.tf/profiles/76561198843319591#!/compare/1565049600/1565136000

https://backpack.tf/profiles/76561198156847466#!/compare/1564704000/1565136000

Sold for 12 keys

Sale 13:

https://backpack.tf/profiles/76561198156847466#!/compare/1565654400/1565827200

https://backpack.tf/profiles/76561198342161127#!/compare/1565740800/1565827200

Bulk

Sale 14:

https://backpack.tf/profiles/76561198342161127#!/compare/1567728000/1567814400

https://backpack.tf/profiles/76561198314917034#!/compare/1567728000/1567814400

Untrace

Sale 15:

https://backpack.tf/profiles/76561197965735393#!/compare/1558569600/1561248000

https://backpack.tf/profiles/76561198363395191#!/compare/1561161600/1561248000

QS

Sale 16:

https://backpack.tf/profiles/76561198363395191#!/compare/1561593600/1561680000

https://backpack.tf/profiles/76561198149761601#!/compare/1561507200/1561680000

Sold for 15 keys (outdated)

Sale 17:

https://backpack.tf/profiles/76561198063075911#!/compare/1562371200/1562457600

https://backpack.tf/profiles/76561198100877472#!/compare/1562284800/1562630400

Sold for ST Trot + MS Wanted + ~18 keys in sweets

really high...

Sale 18:

https://backpack.tf/profiles/76561198100877472#!/compare/1563321600/1565827200

https://backpack.tf/profiles/76561198083937853#!/compare/1564444800/1564531200

Bulk

Sale 19:

https://backpack.tf/profiles/76561198083937853#!/compare/1564704000/1564790400

https://backpack.tf/profiles/76561198205939253#!/compare/1564704000/1564790400

https://backpack.tf/profiles/76561198131319016#!/compare/1564704000/1564790400

https://backpack.tf/profiles/76561198054795885#!/compare/1562457600/1565395200

Untrace

Sale 20:

https://backpack.tf/profiles/76561198021055079#!/compare/1560643200/1560729600

https://backpack.tf/profiles/76561198343520318#!/compare/1560643200/1560729600

Sold for Bubbling Blast + ~6 keys (outdated)

Sale 21:

https://backpack.tf/profiles/76561198343520318#!/compare/1567209600/1567468800

https://backpack.tf/profiles/76561198078240812#!/compare/1567382400/1567468800

Untrace

Sale 22:

https://backpack.tf/profiles/76561198045883624#!/compare/1564444800/1564531200

https://backpack.tf/profiles/76561198342161127#!/compare/1564444800/1564531200

Bulk

Sale 23:

https://backpack.tf/profiles/76561198342161127#!/compare/1567123200/1567209600

https://backpack.tf/profiles/76561198307920312#!/compare/1488931200/1567641600

Untrace

Sale 24:

https://backpack.tf/profiles/76561198307920312#!/compare/1488931200/1567641600

https://backpack.tf/profiles/76561198342161127#!/compare/1567814400/1567900800

Untrace

Sale 25 - 29:

https://marketplace.tf/items/tf2/31003;5;u113

$28 / $1.83 = 15.30 keys

$27.99 / $1.80 = 15.55 keys <-- https://backpack.tf/item/7639891550

$26 / $1.83 = 14.21 keys

$30.99 / $1.82 = 17.03 keys

$20 / $1.81 = 11.05 keys

Sale 30:

https://backpack.tf/profiles/76561198342161127#!/compare/1569283200/1569369600

https://backpack.tf/profiles/76561198128803260#!/compare/1569283200/1569369600

Sold for KaW Noir + ~2 keys in sweets

Noir Mini:

https://backpack.tf/suggestion/5d92939fd38172109704dfdd

Suggestion for 12.5 keys

total is 14.5 keys

https://bot.tf/stats/listings/M17WK0O1

B/o of 15 keys

Sale 31:

https://backpack.tf/profiles/76561198314917034#!/compare/1568332800/1568505600

https://backpack.tf/profiles/76561198151434282#!/compare/1568419200/1568505600

Sold for Stormy Brass

use there

Sale 32:

https://backpack.tf/profiles/76561198151434282#!/compare/1568505600/1568592000

https://backpack.tf/profiles/76561198068910184#!/compare/1568505600/1568592000

Sold for 15 keys

Sale 33:

https://backpack.tf/profiles/76561198052043171#!/compare/1569369600/1569456000

https://backpack.tf/profiles/76561198079853085#!/compare/1568764800/1569456000

Untrace, probably keys

Total sales @:

11, 11, 12, 13, 14, 14, 14.5, 15, 15, 15, 16, 17 keys

Buyers up to 10 keys,

unsold for nearly a month for 16 keys,

https://bot.tf/stats/listings/Y5R090R7

calling 11 low,

17 high,

taking 12 - 16 keys.