Damn that's kinda crazy

Item 1

https://backpack.tf/item/363992889

Sale 1

https://backpack.tf/profiles/76561197966756586#!/compare/1624924800/1625011200

https://backpack.tf/profiles/76561198001646956#!/compare/1624838400/1625011200

Bulk

Item 2

https://backpack.tf/item/363182182

Sale 2

https://backpack.tf/profiles/76561198342393935#!/compare/1629936000/1630022400

https://backpack.tf/profiles/76561198109898906#!/compare/1630022400/1630108800

https://gladiator.tf/listings/6128300181223a0558e52c12 - 28 key buyout

Sold for:

Strange Professional Killstreak Australium SMG - https://gladiator.tf/listings/61292845d796c2feaa096ee2 - 16.5 keys

Strange Festivized Professional Killstreak Kukri - https://gladiator.tf/listings/6129438faaa3cda8453d64f5 - 3 keys

Non-Craftable Specialized Killstreak Knife Kit - https://steamcommunity.com/market/listings/440/Specialized%20Killstreak%20Knife%20Kit - bit over a key

Strange Sole Saviors - https://gladiator.tf/listings/612930380fd2713cd18a8deb - 36.88 ref

Non-Craftable Specialized Killstreak Cow Mangler 5000 Kit - https://steamcommunity.com/market/listings/440/Specialized%20Killstreak%20Cow%20Mangler%205000%20Kit - probably about 45 ref

Frozen Aurora War Paint (Well-Worn) - https://steamcommunity.com/market/listings/440/Frozen%20Aurora%20War%20Paint%20%28Well-Worn%29 - 30 ref ish

Airwolf Knife (Minimal Wear) - https://steamcommunity.com/market/listings/440/Airwolf%20Knife%20%28Minimal%20Wear%29 - about 10 ref

Keys:

16.5 + 3 + 1 = 20.5 keys

Ref:

36.88 + 45 + 30 + 10 = 122 ref just about

20.5 + ~2 keys worth of ref comes to 22.5 keys

Taking as 22.5 keys flat