resuggesting

Sale 1: Bulk for GBH TC (excluding)

https://backpack.tf/profiles/76561198085628805#!/compare/1529107200/1529193600

Sale 2: untrace

https://backpack.tf/profiles/76561198158206236#!/compare/1529712000/1529798400

https://backpack.tf/profiles/76561198085628805#!/compare/1529712000/1529798400

None of the item history matches in the first link, and in the second link, there's no sales happening.

Sale 3: Sold w/ 6 keys pure for The Ooze Merryweather (58)

https://backpack.tf/profiles/76561198071920700#!/compare/1531699200/1531785600

Taking 52

Sale 4: Sold w/ 7 keys + 2 keys in items for CPS Cotton Head

https://backpack.tf/profiles/76561198071920700#!/compare/1531785600/1531958400

Mini for cotton: $80

https://marketplace.tf/items/30175;5;u18

80 / 1.95 = 41 keys

41 - 9 = 32 keys

Taking 32 keys

Sale 5: This is one is hard to trace, but I contacted buyer and the sale was Sold w/ 5 keys for Black Max’s (19k) + Planets Kiss King + Massed Flies Tyrantium

Mini for tyrantium: $34.65 (~14k)

https://steamcommunity.com/market/listings/440/Unusual%20Tyrantium%20Helmet

Mini for kiss king: sold for Electric hat protector universal (indate at 15) + 1 key

https://backpack.tf/profiles/76561198055622215#!/compare/1531872000/1531958400

Although it doesn't show up since it was quickly used after being traded but, again, I talked to the buyer of it and that is what he paid for it

Taking 16 keys for mini

19 + 16 + 14 = 49 - 5 = 44

Rounding to 45

Taking 45 keys for sale

Sale 6: Sold w/ 2 keys for Smoking Frickin Sweet Ninja Hood + Aces High Soldered Sensei

https://backpack.tf/profiles/76561198055622215#!/compare/1532044800/1532131200

Mini for ninja : 34 keys

https://backpack.tf/suggestion/5b48df25cf6c7552c865f2bd

Mini for soldered: $34.95

https://marketplace.tf/shopitem/katethetrader/30004;5;u59/Aces%20High%20Soldered%20Sensei

34.95 / 1.95 = ~18 keys

Two young bot sellers at 15 for soldered so I'm taking range 15-18 making it 17 keys for mini

34 + 17 = 51 - 2 = 49

Rounding to 50

Sale 6: 45 pure (from previous suggestion. Credits to Erik)

https://backpack.tf/profiles/76561198369075257#!/compare/1528243200/1528329600

Taking 45-52