Month 1 https://gladiator.tf/sales?item=Non-Craftable%20Unusual%20Taunt:%20Flippin%27%20Awesome%20Unusualifier&at=2022-03-02T07:07:55.719Z

1 @ 7 keys 10 ref

Month 2 https://gladiator.tf/sales?item=Non-Craftable%20Unusual%20Taunt:%20Flippin%27%20Awesome%20Unusualifier&at=2022-02-02T07:07:55.719Z

1 @ 9 keys 30 ref

Month 3 https://gladiator.tf/sales?item=Non-Craftable%20Unusual%20Taunt:%20Flippin%27%20Awesome%20Unusualifier&at=2022-01-02T07:07:55.719Z

1 @ 8 keys

1 @ 8 keys 64 ref

1 @ 10 keys

1 @ 12 keys

https://marketplace.tf/items/tf2/9258;5;uncraftable;td-1107

$19.79 / $1.86 = 10.64 keys

$19.79 / $1.85 = 10.70 keys

....

etc...

$19.99 / $1.78 = 11.23 keys

all the sales are really high and excludable

https://mannco.store/item/440-uncraftable-unusual-taunt-flippin-awesome-unusualifier

$19.98 / $1.66 = 12.04 keys

$15 / $1.62 = 9.26 keys (x2)

$18.92 / $1.62 = 11.68 keys

https://steamcommunity.com/market/listings/440/Unusual%20Taunt%3A%20Flippin%27%20Awesome%20Unusualifier

https://steamcommunity.com/market/pricehistory/?country=US&currency=1&appid=440&market_hash_name=Unusual%20Taunt%3A%20Flippin%27%20Awesome%20Unusualifier

https://steamcommunity.com/market/pricehistory/?country=US&currency=1&appid=440&market_hash_name=Mann%20Co.%20Supply%20Crate%20Key

(starting from Dec 2 '21, in keys)

7.02

8.21 (x4)

7.91 (x8)

6.99 (x2)

7.85 (x2)

8.58 (x4)

8.76 (x3)

10.1 (x3)

10.5

8.20 (x2)

9.33 (x2)

9.48 (x2)

10.3

7.52 (x3)

7.34

8.59 (x3)

8.54 (x2)

8.58 (x2)

8.84

7.37

9.05

9.12 (x2)

7.94 (x2)

7.82 (x2)

6.68

6.34

6.62 (x2)

7.74 (x2)

6.08

8.28

7.75

6.31

7.73 (x3)

5.61 (x2)

5.86

5.85

5.83 (x2)

6.67

5.40

6.50

6.63

4.71

4.58

6.48

6.51

4.66

4.78

4.87

4.70

4.58

6.07

6.01

5.89

Classies: https://gyazo.com/5d9db420a3e060ba3624763f72d95a16

Buyers ~3.4 to ~4.3 to ~5 to ~5.2, sellers at ~7.4

Despite numerous 7k sales, most are actually above the ~7.4k mark and round up to 8, which seems high. Number of sales rounding to ~6.5 seems to be a more suitable UB. A lot of recent lower sales round to ~4.5, but given little to no sales are actually at or below ~4.5, and higher buyers on SCM also exceed ~4.5, gonna run with ~5 as the low end for now.

Taking 5-6.5 keys.