https://backpack.tf/item/3281786996 - item history

Sale 2 is this:

https://backpack.tf/profiles/76561198025782349#!/compare/1617840000/1618012800

https://backpack.tf/profiles/76561199084784906#!/compare/1617926400/1618012800

29.88 ref matches, likely dumped to qs.store

https://gladiator.tf/listings/6071a8da1d02e13aea02909e - for around 33 keys probably

Sale 3

https://backpack.tf/profiles/76561199084784906#!/compare/1619568000/1619654400

https://backpack.tf/profiles/76561198850679183#!/compare/1619568000/1619654400

Untrace

Sale 4

https://backpack.tf/profiles/76561198850679183#!/compare/1619913600/1620000000

https://backpack.tf/profiles/76561198158568880#!/compare/1619913600/1620000000

Sold for 34 keys

55 >> dumped for buy orders >> bought off qs.store >> qsold for 34 keys

Yeah, this is going to have to remain outdated for the time being.

aj's comment is correct, with the sales he pointed out this 55 flat will not work.