Time to go up, you multi class hat.

Sale #1

https://backpack.tf/profiles/76561198140584551#!/compare/1601424000/1601510400

https://backpack.tf/profiles/76561198225796692#!/compare/1601510400/1601683200

Sold for Disco Beat Down L'Inspecteur (17.5 Keys) + Aces High Chill Chullo (31 Keys) + 2 Keys = 50.5 Keys, rounding to 51 Keys [both needs mini]

https://ibb.co/H7BQRFP

https://ibb.co/XZ61nFJ

https://ibb.co/1dXq70B

Sale #2

https://ibb.co/K2pmfsB

Quicksell for 33 Keys and 20 ref, excluding.

Sale #3

https://backpack.tf/profiles/76561198415404211#!/compare/1602720000/1602892800

https://backpack.tf/profiles/76561198850274253#!/compare/1602720000/1602806400

Can't trace, bulk.

Sale #4

https://backpack.tf/profiles/76561198850274253#!/compare/1603065600/1603152000

Sold for 26 Keys, lower than buyers, excluding.

Sale #5

https://backpack.tf/profiles/76561199052319732#!/compare/1600128000/1600214400

Can't trace.

Sale #6

https://backpack.tf/profiles/76561198120672630#!/compare/1599955200/1600214400

Sold for Smoking Well-Rounded Rifleman (21.5 Keys) + Miami Nights Jumper's Jeepcap (20 Keys) = 41.5 Keys, rounding to 42 Keys

https://backpack.tf/profiles/76561198225796692#!/compare/1600128000/1600214400

Could trace this by checking both of these item's history.

Sale #7

https://backpack.tf/profiles/76561198139999282#!/compare/1600300800/1600560000

Sold for 22 Keys, excluding lower than buyers.

https://backpack.tf/profiles/76561198050052801#!/compare/1600214400/1600300800

Bulk, can't trace.

Current sellers at 43 Keys and marketplace sales are outdated.

Summary

Sales at

22 Keys, excluding.

26 Keys, excluding.

33 Keys and 20 ref, excluding.

42 Keys

51 Keys

Conclusion

I'd suggest a price range from 42-51 Keys (avg. 46.5 Keys rounding to 47 keys), thanks!