Another one

https://backpack.tf/item/16000623661

Proof of Sale

https://imgur.com/a/huyL1a4

Compares don't show keys for some reason but imgur shows on steam side.

Seller:

https://backpack.tf/profiles/76561198208582767#!/compare/1755475200/1755475200/nearest

Buyer:

https://backpack.tf/profiles/76561198359459041#!/compare/1755043200/1755475200

Classified Listings:

https://imgur.com/a/1P7wBqD

Taking 150 pure total

Other sale happened closer to the 150 pure mark

Seller:

https://backpack.tf/profiles/76561198080212467#!/compare/1756944000/1757030400

Buyer:

https://backpack.tf/profiles/76561198088591924#!/compare/1756771200/1756944000

Masters Yellow Belt (400) + DD Thousand-Yard Stare (150) = Strange Disco Beat Down Bonk Boy (550)

Masters and Bonk are slightly outdated but respect price points.