Month 1 https://gladiator.tf/sales?item=Mega%20Strike%20Taunt:%20Bad%20Pipes&at=2022-01-25T19:25:50.593Z

1 @ 3 keys 41.66 ref

Month 2 https://gladiator.tf/sales?item=Mega%20Strike%20Taunt:%20Bad%20Pipes&at=2021-12-25T19:25:50.593Z

1 @ 3 keys 42.77 ref

1 @ 3 keys 44.11 ref

2 @ 4 keys 25 ref

Month 3 https://gladiator.tf/sales?item=Mega%20Strike%20Taunt:%20Bad%20Pipes&at=2021-11-25T19:25:50.593Z

1 @ 4 keys 6 ref

https://marketplace.tf/items/tf2/30671;5;u3010

$6.99/1.87=~3.75k

$6.99/1.87=~3.75k

$6.99/1.87=~3.75k

$6.99/1.92=~3.65k

$6.99/1.89=~3.7k

$6.99/1.88=~3.7k

$6.99/1.86=~3.75k

$6.99/1.87=~3.75k

$6.99/1.87=~3.75k

$6.99/1.87=~3.75k

$6.99/1.87=~3.75k

$7.9/1.84=~4.3k

(sellers at $7.9, ~4.3k now)

https://mannco.store/item/440-mega-strike-unusual-taunt-bad-pipes

$7.69/1.73=~4.45k

$6.45/1.68=~3.85k

$6.22/1.68=~3.7k (x2)

$6.46/1.69=~3.8k

$6.45/1.61=~4k

$7.44/1.62=~4.6k (x3)

Classies: https://gladiator.tf/listings/61f04c99e0aacd519bda9e9d

Quite a few sellers at ~4k, buyers up to ~3.55k

Going with 3.6-4k.