Blaze:

your sale at 184 appears to actually be for 217 keys + 39 ref rather than 222 keys + 34 ref looking at the first compare therefore 180 - 225 will work here given the new sale provided above

https://backpack.tf/item/10501690505

https://backpack.tf/profiles/76561197994697258#!/compare/1636329600/1636502400

https://backpack.tf/profiles/76561198092570830#!/compare/1636416000/1636502400

Bulk for Burning HKC

https://backpack.tf/item/9108901091

https://mannco.store/item/440-scorching-flames-unusual-cotton-head

Nothing

https://backpack.tf/profiles/76561198841365001#!/compare/1634688000/1634774400

https://backpack.tf/profiles/76561198152373135#!/compare/1634688000/1634774400

https://gladiator.tf/listings/6170e3cefe1d8f4bca4e801c

Unclear, could be 212 keys given seller's end, buyers were at 177+ at this point (but this seems high now)

https://backpack.tf/profiles/76561198152373135#!/compare/1635033600/1635120000

https://backpack.tf/profiles/76561198067546448#!/compare/1635120000/1635206400

https://gladiator.tf/listings/61760e6d0bf6fe69d1dd2225

195 keys

https://backpack.tf/profiles/76561198067546448#!/compare/1636329600/1636416000

https://backpack.tf/profiles/76561198850178158#!/compare/1636329600/1636416000

222 keys 34 ref 217 keys + 39 ref for the Cotton + Aussie Wrench (~38 https://gladiator.tf/listings/6189c2dce1c861e3d9b08c33), making this sale ~184 ~180 keys

https://backpack.tf/profiles/76561198850178158#!/compare/1636761600/1636848000

https://backpack.tf/profiles/76561199056699331#!/compare/1636761600/1636848000

https://gladiator.tf/listings/619069ed9c20de4e27da36a9

Buyer sold a Golden Pan that day, B/O at 212 keys, which seems to potentially match sale 2

https://backpack.tf/profiles/76561198083482001#!/compare/1641513600/1641859200

https://backpack.tf/profiles/76561198201973980#!/compare/1641772800/1641945600

DBD rotation (83, https://backpack.tf/suggestion/61b7fcf40a3aa811cf53baf1) + Max (28.5) + Corona (43.5) + Strange Pro KS Pan (~44-45) + C.A.P.P.E.R (~6-7) + 3 keys = ~210 keys

Caps at 199 key B/O: https://gladiator.tf/listings/61d77f5cbbf9b7edf4bb5037

Other new sale doesn't look like anything, or bulk:

https://backpack.tf/profiles/76561199056699331#!/compare/1642723200/1642809600

https://backpack.tf/profiles/76561198116801784#!/compare/1642723200/1642809600

Further trade for same item at 225 keys last Wednesday Feb 9

https://backpack.tf/profiles/76561199023459084#!/compare/1644364800/1644537600

Sales:

180, 195, 199, 210, 212? (x2), 225

180-225 as Blaze suggested.