Suggestion 13. Squad 1.

Sales

Sold for 30 keys

https://backpack.tf/profiles/76561198335791307#!/compare/1602547200/1602633600

https://backpack.tf/profiles/76561198431483246#!/compare/1602374400/1603411200

https://bot.tf/stats/listings/4RD0KLJ9

Untrace

https://backpack.tf/profiles/76561198139370347#!/compare/1603411200/1603497600

https://backpack.tf/profiles/76561198431483246#!/compare/1603411200/1606867200

Untrace

https://backpack.tf/profiles/76561198139370347#!/compare/1604620800/1604707200

https://backpack.tf/profiles/76561198401960628#!/compare/1603843200/1604966400

Marketplace sales

https://marketplace.tf/items/tf2/30120;5;u62

49.99 on September 29 (49.99/1.85 = 27.02 rounding to 27 keys)

https://manic.tf/keyprice/?at=2020-09-29

26.33 on October 1 (26.33/1.85 = 14.23 rounding to 14 keys)

https://manic.tf/keyprice/?at=2020-10-01

44.99 on October 15 (44.99/1.88 = 23.93 rounding to 24 keys)

https://manic.tf/keyprice/?at=2020-10-15

Classifieds

https://gyazo.com/0f590002d9967424572d676df1911b21

Summary

Sales at 14, 24, 27, and 30.

Conclusion

14 is under buyers, excluding.

Going with a range of 24-30 here.