Sale 1:

https://backpack.tf/profiles/76561198134512931#!/compare/1570752000/1570838400

https://backpack.tf/profiles/76561198129552058#!/compare/1570752000/1570838400

Scorching Exquisite Rack - 460 keys https://backpack.tf/suggestion/5d93da5867807207d91056c2

Chiro. Killer's Kabuto - ~345 keys https://backpack.tf/suggestion/5dbb7e0ed38172438d08edf9

Phos. Villain's Veil - ~305 keys https://backpack.tf/suggestion/5d56035667807254e925d3f6

KaW Dark Falkirk Helm - ~20 keys https://marketplace.tf/items/tf2/30357;5;u56

Haunted Ghosts Crocleather Slouch - ~20 keys https://backpack.tf/suggestion/5d4e700a6780723ea24a8061

Vintage Concheror ~20 keys

Aus Medi Gun Pro KS (~65 keys)

https://gyazo.com/578505aaec96405d286ecdf17d558bc1 Sellers 65

https://marketplace.tf/items/tf2/211;11;australium;kt-3 sales at 75+ wow

going with 65

This sale is about 1235 keys.

Sale 2:

https://backpack.tf/suggestion/5d7021c467807235601c876d

https://backpack.tf/profiles/76561198134512931#!/compare/1569283200/1569369600

Bulk-ish for Gold Pan, recommended not to use

Sale 3

https://backpack.tf/profiles/76561198026659536#!/compare/1567468800/1567555200

https://backpack.tf/profiles/76561198108331387#!/compare/1567468800/1567555200

957 keys

Sale 4:

https://backpack.tf/profiles/76561197971390626#!/compare/1569110400/1569196800

https://backpack.tf/profiles/76561198050745352#!/compare/1569110400/1569196800

Sold for an unknown Paypal amount

I asked the seller and was requested to keep the amount private.