Sale 1:

Sold for 55 keys

Seller: https://backpack.tf/profiles/76561198048724906#!/compare/1599955200/1600041600

Buyer: https://backpack.tf/profiles/76561198097599192#!/compare/1599782400/1600041600

https://backpack.tf/item/1664127964

55 keys

Sale 2:

Sold for 55 keys

Seller: https://backpack.tf/profiles/76561198312480435#!/compare/1597622400/1597795200

Buyer: https://backpack.tf/profiles/76561198150917840#!/compare/1597708800/1597795200

https://backpack.tf/item/952845187

https://i.imgur.com/G4D3Gk6.png - bot.tf confirms

55 keys

Sale 3:

Sold for $164.45AUD on the SCM on September 17th-18th

keys were ~$3.27 at the time

https://backpack.tf/profiles/76561198105071091#!/compare/1600300800/1600387200

https://steamcommunity.com/market/listings/440/Unusual%20Pencil%20Pusher

164.45/3.27 = ~50.3 keys

50 keys

Sale 4:

Sold to a bot for 40 keys

Seller: https://backpack.tf/profiles/76561198091166086#!/compare/1593561600/1593648000

Buyer: https://backpack.tf/profiles/76561198312480435#!/compare/1593475200/1593561600

https://backpack.tf/item/952845187

https://i.imgur.com/G4D3Gk6.png - bot.tf confirms

40 keys

Other Sales:

https://backpack.tf/item/1664127964 (#1 & #2)

https://backpack.tf/item/1272885232 (#3 & #4)

#1

Untraceable

https://backpack.tf/profiles/76561198148518445 - won't update, nothing useful in fallback

https://backpack.tf/profiles/76561198205338192#!/compare/1598572800/1598659200

#2

Bulk for Frostbite Titanium Tyrolean

https://backpack.tf/profiles/76561198205338192#!/compare/1599868800/1599955200

https://backpack.tf/profiles/76561198048724906#!/compare/1599782400/1599868800

Can be used on the Tyro.

#3

Untraceable

https://backpack.tf/profiles/76561198337734785#!/compare/1600128000/1600214400

https://backpack.tf/profiles/76561198075484000#!/compare/1600214400/1600560000

37 keys match

https://bot.tf/stats/listings/4WX7L1V0 - listed at 55

#4

Untraceable/bulk

https://backpack.tf/profiles/76561198337734785#!/compare/1600473600/1600560000

https://backpack.tf/profiles/76561198075484000#!/compare/1600560000/1600732800

Flies rotation was involved it seems

Sellers/Buyers

https://i.imgur.com/BKmtQfE.png

https://backpack.tf/item/1272885232 - 65 keys

https://backpack.tf/item/1272885232 - 65 keys

https://backpack.tf/item/936181077 - 100 keys

Highest buyers at 50+ keys.

Sales at:

40

50

55 (2x)

Buyers up to 50, excluding 50 and lower.

Taking 55 flat.