Resuggesting, thanks Xergoyf.

Sales

Bulk

https://backpack.tf/profiles/76561198079679007#!/compare/1586649600/1587081600

https://backpack.tf/profiles/76561198404091594#!/compare/1577145600/1586649600

Backpack sold

https://backpack.tf/profiles/76561198404091594#!/compare/1586649600/1586736000

https://backpack.tf/profiles/76561197994697258#!/compare/1586563200/1586649600

Marketplace

https://marketplace.tf/items/tf2/30842;5;u3018

Sold for 58 on April 15 (58/1.77 = 32.77 rounding to 33 keys)

Sold for 59.99 on May 29 (59.99/1.94 = 30.92 rounding to 31 keys)

33 probably had a buyout of 29 keys:

https://bot.tf/stats/listings/Y9QLJK8D

https://bot.tf/stats/listings/M0OXQ0WZ

https://bot.tf/stats/listings/4EPW1O9D

https://backpack.tf/item/6962525551

31 probably had a buyout of 30 keys:

https://bot.tf/stats/listings/4ZPELEKQ

https://bot.tf/stats/listings/Y9QK27GX

https://bot.tf/stats/listings/MNR8R2P3

Classifieds

https://gyazo.com/566157aa36edf8fc0c6f92c82f5749b3

The seller at 25 reduced to 22, and it has been there for 22 days now.

https://bot.tf/stats/listings/4R06609D

https://bot.tf/stats/listings/4J97500V

Summary

Seller at 22 keys

1 @ 29 keys

1 @ 30 keys

Conclusion

Two sales at higher, one seller at less, the seller at less used to be selling at 25, and now 22 for 22 (coincidence lol) days now. It has aged enough to be used as the low end here.

Taking 22-30 here.