Right..or wrong?

Sales

Sale 1: Untrace

https://backpack.tf/profiles/76561198850178158#!/compare/1597276800/1597363200

https://backpack.tf/profiles/76561198053727332#!/compare/1596672000/1597536000

Buyout was about 47 keys~

Sale 2: Sold to buyorder.

https://backpack.tf/profiles/76561198879344444#!/compare/1601337600/1601856000

https://backpack.tf/profiles/76561198267189538#!/compare/1601251200/1601337600

Buyorder was about 41 keys~

https://bot.tf/stats/listings/Y5OE7EG3

Sale 3: Sold for BF Private Eye (57.5 keys~)

https://backpack.tf/profiles/76561198377298887#!/compare/1600732800/1600992000

https://backpack.tf/profiles/76561198879344444#!/compare/1600905600/1600992000

Buyout was 55 keys

https://bot.tf/stats/listings/MVQVZOV3

Private Eye: https://backpack.tf/suggestion/5f829e916974b5626f5e0410

Sale 4: Looks like 46 keys (second comparison)

https://backpack.tf/profiles/76561198147062265#!/compare/1599004800/1599782400

https://backpack.tf/profiles/76561198377298887#!/compare/1599609600/1599782400

https://bot.tf/stats/listings/Y9QE2LDW

Sale 5: Sold for Green Energy Backbiter's Billycock (35 keys)+ Cloud 9 Head Hedge (10 keys) + Non-Craftable Killstreak Flame Thrower Kit (about 1 key~)

https://backpack.tf/profiles/76561198121830870#!/compare/1597276800/1597363200

https://backpack.tf/profiles/76561198147062265#!/compare/1597276800/1597363200

35 + 10 + 1 = 46 keys

Buyout was about 47 keys~

https://bot.tf/stats/listings/Y798RLPK

Backbiter's Billycock: https://backpack.tf/suggestion/5f6e503f4da43800df590819

Thank you aj.

Sale 6: Looks like it was exchanged to a scammer alt (read the name)

https://backpack.tf/profiles/76561198158931814#!/compare/1573689600/1594598400

https://backpack.tf/profiles/76561198411026116#!/compare/1594512000/1594598400

Unfortunate :(

Other exchanges to marketplace and unusual.stn.

https://backpack.tf/item/7269429479

https://backpack.tf/item/6810415249

Marketplace sales

https://marketplace.tf/items/tf2/30006;5;u14

July

100 on July 17 (100/1.97 = 51~)

https://manic.tf/keyprice/?at=2020-07-17

Listings during the time: https://bot.tf/stats/listings/4P02619Z

September

68 on September 3 (68/1.84 = 37~)

https://manic.tf/keyprice/?at=2020-09-03

99.99 on September 14 (99.99/1.85 = 54~)

https://manic.tf/keyprice/?at=2020-09-14

Listings during the time: https://bot.tf/stats/listings/4P0EW005

October

89.99 on October 8 (89.99/1.87 = 48~)

https://marketplace.tf/items/tf2/5021;6

https://manic.tf/keyprice/?at=2020-10-08

Marketplace sellers:

https://marketplace.tf/items/tf2/30006;5;u14

https://gyazo.com/516423f833b679283d59f640d31b8ed1

$89.99/1.88 = 48~

Current Classifieds

https://backpack.tf/classifieds?item=Noble%20Nickel%20Amassment%20of%20Hats&quality=5&tradable=1&craftable=1&australium=-1&particle=14&killstreak_tier=0

https://gyazo.com/24c74b4f54bf1c93a2e87a72a028b59c

Summary

Sales at 41, 46, 46, and 55.

Marketplace sales at 37, 48, 51, and 54.

Conclusion

Buyers are up to 41, excluding 37 and 41 as low outliers.

Current marketplace seller at 48~, and due to a past seller at 48 during the time of the 48 sale, going to exclude 54 and 55 as high outliers.

Going with 46-51 here.

Take it easy.