Let me know if i messed something up please.

Past 7 days

1 @ 7 keys

Past 30 days

3 @ 7 keys

https://gladiator.tf/sales?item=Purple%20Confetti%20Festive%20Cover-Up&at=2022-05-01T10:36:05.912Z

2 being unsold for a week at 8.47 keys:

https://backpack.tf/classifieds?item=Festive+Cover-Up&quality=5&tradable=1&craftable=1&particle=7&australium=-1&killstreak_tier=0

(https://geekpic.net/pm-VPCDJQ.html)

https://backpack.tf/item/11549564060

https://backpack.tf/item/11549564068

The remaining 2 listed for more in cash:

1 being unsold for $19.98:

https://mannco.store/item/440-purple-confetti-unusual-festive-cover-up

(https://geekpic.net/pm-24S32K.html)

https://manic.tf/keyprice/?at=2022-04-30&site=mannco.store - $19.98 / $1.61 = 12.41 keys

1 on market for an even higher price: https://geekpic.net/pm-NGD6F2.html

No sale here:

https://marketplace.tf/items/tf2/31257;5;u7

Rounding 8.47 keys downwards since it's unsold. The 7 key sales were dumps, I'm taking a range here, making it the low end.