Month 1: https://gladiator.tf/sales?item=Skill%20Gotten%20Gains%20Taunt:%20Flippin%27%20Awesome&at=2022-06-14T19:01:32.798Z

Buys:

1 @ 5 keys 10.77 ref ~5 keys

Month 2: https://gladiator.tf/sales?item=Skill%20Gotten%20Gains%20Taunt:%20Flippin%27%20Awesome&at=2022-05-14T19:01:32.798Z

Buys:

2 @ 5 keys 8.77 ref ~5 keys

Month 3: https://gladiator.tf/sales?item=Skill%20Gotten%20Gains%20Taunt:%20Flippin%27%20Awesome&at=2022-04-14T19:01:32.798Z

Sales:

1 @ 5 keys 28 ref ~5.5 keys

1 @ 5 keys 41 ref ~5.5 keys

1 @ 5 keys 45 ref ~5.5 keys

Buys:

1 @ 5 keys 7.22 ref ~5 keys

1 @ 5 keys 7.44 ref ~5 keys

1 @ 5 keys 8.66 ref ~5 keys

~~

https://marketplace.tf/items/tf2/1107;5;u3007

$10.99 / $1.73 = 6.35 keys ~6.5 keys

$10.99 / $1.75 = 6.28 keys ~6.5 keys

~~

https://mannco.store/item/440-skill-gotten-gains-unusual-taunt-flippin-awesome

$9.99 / $1.59 = 6.28 keys ~6.5 keys

~~

https://gladiator.tf/time-machine?item=Skill%20Gotten%20Gains%20Taunt:%20Flippin%27%20Awesome&at=2022-06-14T19:01:30.777Z

Sellers at 5.91 keys, buyers at 5.16 keys

6.5 looks high, it's all cash sales too

Gonna go with 5-5.5 keys since 5 is a common trading point