Month 1 https://gladiator.tf/sales?item=Cursed%20Confinement%20Taunt:%20Panzer%20Pants&at=2022-07-28T04:47:50.022Z

1 @ 6 keys 17 ref

1 @ 7 keys 16 ref

Month 2 https://gladiator.tf/sales?item=Cursed%20Confinement%20Taunt:%20Panzer%20Pants&at=2022-06-28T04:47:50.022Z

3 @ 6 keys 17 ref

1 @ 6 keys 33.88 ref

Month 3 https://gladiator.tf/sales?item=Cursed%20Confinement%20Taunt:%20Panzer%20Pants&at=2022-05-28T04:47:50.022Z

Nothing

https://marketplace.tf/items/tf2/1196;5;u3060

https://mannco.store/item/440-cursed-confinement-unusual-taunt-panzer-pants

Outdated

https://backpack.tf/item/9561356061

https://backpack.tf/profiles/76561198161393800#!/compare/1658707200/1658793600

Bulk, then later dumped for ~6.5 keys

https://backpack.tf/item/7818760491

https://backpack.tf/profiles/76561199190065455#!/compare/1654905600/1654992000

https://backpack.tf/profiles/76561199134603763#!/compare/1654905600/1654992000

https://gladiator.tf/time-machine?item=Cursed%20Confinement%20Taunt:%20Panzer%20Pants&at=2022-06-12T04:56:50.000Z

Upgrade to something? Would be ~6-7.5 given classies

https://backpack.tf/profiles/76561199134603763#!/compare/1654992000/1655164800

https://backpack.tf/profiles/76561198140421232#!/compare/1654992000/1655078400

https://gladiator.tf/time-machine?item=Cursed%20Confinement%20Taunt:%20Panzer%20Pants&at=2022-06-12T05:32:11.000Z

?

https://backpack.tf/item/7446374658

https://backpack.tf/item/9697099381

https://gladiator.tf/time-machine?item=Cursed%20Confinement%20Taunt:%20Panzer%20Pants&at=2022-06-12T10:21:48.000Z

Buys at ~7.5 followed by dumps at ~6.5 keys (x2)

https://backpack.tf/item/10799031096

https://backpack.tf/profiles/76561198905990337#!/compare/1656028800/1656288000

https://backpack.tf/profiles/76561198833326612#!/compare/1656115200/1656201600

https://gladiator.tf/time-machine?item=Cursed%20Confinement%20Taunt:%20Panzer%20Pants&at=2022-06-24T23:50:41.000Z

Probably ~6-7 keys

https://backpack.tf/profiles/76561198833326612#!/compare/1658016000/1658102400

https://backpack.tf/profiles/76561198872528427#!/compare/1657238400/1658016000

https://gladiator.tf/time-machine?item=Cursed%20Confinement%20Taunt:%20Panzer%20Pants&at=2022-07-17T08:14:13.000Z

6 keys match

Credits Lemons:

New sale:

https://backpack.tf/profiles/76561199072654974#!/compare/1659916800/1660003200

https://backpack.tf/profiles/76561199140829854#!/compare/1659830400/1660003200

https://gladiator.tf/time-machine?item=Cursed%20Confinement%20Taunt:%20Panzer%20Pants&at=2022-08-09T07:38:03.000Z - Likely ~7 keys

With the current classifieds https://gyazo.com/d5995593139b3b6caebb63bc8e5fa4b5 and the weak proof surrounding 7.5, I'd take 6-7 here instead.