Credits to all the people from TheVirtualEconomist's Discord who helped me or not

Also thanks to Eazy Peazy Squeezy Lemons for help with not breaking down over details

Sellers:

1) Seller on backpack.tf classifields for 16 keys - current high end price

https://backpack.tf/stats/Unusual/Bot%20Dogger/Tradable/Craftable/32

Sales: 10, 11, 11, 11.3 and 13 keys

1) Sold for ~10 keys mixed

https://backpack.tf/profiles/76561198129564179#!/compare/1519776000/1520035200

Sold for 9 keys pure + ~1 key in sweets

2) Sold for 11 keys pure

https://backpack.tf/profiles/76561198083134207#!/compare/1516320000/1516665600

Sold toghether with an unpriced Massed flies Professor's Peculiarity, for 21 keys pure.

Professor's Peculiarity was a separate sale as seen here:

https://backpack.tf/profiles/76561198110198881#!/compare/1515542400/1517270400 - Professor's sold for 10 keys pure

https://backpack.tf/item/6195070443 - Professor's history

https://backpack.tf/item/2364155645 - Bot dogger's history

There were different owners in the Peculiarity's history than in Bot dogger's history

Therefore the sale was at 11 keys pure

3) Sold for ~11 keys mixed

https://backpack.tf/profiles/76561198079578383#!/compare/1520726400/1520812800

Sold as a part of a bigger trade, all unusuals involved were unchanged in price since:

https://backpack.tf/stats/Unusual/Cotton%20Head/Tradable/Craftable/15

https://backpack.tf/stats/Unusual/Bombing%20Run/Tradable/Craftable/10

https://backpack.tf/stats/Unusual/Safe'n'Sound/Tradable/Craftable/62

https://backpack.tf/stats/Unusual/Lord%20Cockswain's%20Pith%20Helmet/Tradable/Craftable/62

https://backpack.tf/stats/Unusual/Burning%20Bandana/Tradable/Craftable/59

The total value on the other side was 101 keys mixed, that means that the Bot dogger was sold for ~11 keys mixed

4) Sold for ~11.3 keys pure

https://backpack.tf/profiles/76561198023051867#!/compare/1521936000/1522022400

5) Sold for 13 keys pure

https://backpack.tf/profiles/76561198129564179#!/compare/1520121600/1520208000