Resuggesting, thanks Fish :^)

Sales

Sale 1: Sold for 14 keys

https://i.gyazo.com/6f8e2493ed584cf3b3ef36d422187df7.mp4

https://backpack.tf/item/7955630070

Buyout was close

https://bot.tf/stats/listings/MLV2QWOO

Sale 2: 52 refined were traced

https://backpack.tf/profiles/76561198874165677#!/compare/1596240000/1596499200

https://backpack.tf/profiles/76561198337734785#!/compare/1596412800/1596499200

Sale 3: Untrace

https://backpack.tf/profiles/76561198998156031#!/compare/1593561600/1594252800

https://backpack.tf/profiles/76561198874165677#!/compare/1593129600/1593561600

Sale 4: Untrace

https://backpack.tf/profiles/76561198011707565#!/compare/1596412800/1596499200

https://backpack.tf/profiles/76561198350879574#!/compare/1596412800/1596499200

Sale 5: Untrace

https://backpack.tf/profiles/76561198350879574#!/compare/1596499200/1596585600

https://backpack.tf/profiles/76561199011488010#!/compare/1596412800/1596499200

Sale 6: Sold to a scammer for?

https://backpack.tf/profiles/76561199011488010#!/compare/1596585600/1596672000

https://backpack.tf/profiles/76561197972273299#!/compare/1596153600/1596585600

Sale 7: Untrace/Bulk

https://backpack.tf/profiles/76561197972273299#!/compare/1596758400/1597017600

https://backpack.tf/profiles/76561198058799344#!/compare/1594512000/1596758400

Sale 8: Untrace

https://backpack.tf/profiles/76561198058799344#!/compare/1596758400/1596844800

https://backpack.tf/profiles/76561198859832739#!/compare/1596672000/1596758400

Sale 9: Untrace

https://backpack.tf/profiles/76561198859832739#!/compare/1596844800/1596931200

https://backpack.tf/profiles/76561198097171432#!/compare/1596758400/1596844800

Sale 10: Untrace

https://backpack.tf/profiles/76561198097171432#!/compare/1596844800/1596931200

https://backpack.tf/profiles/76561198410123158#!/compare/1596844800/1596931200

https://backpack.tf/item/7955630070

Sale 11: Untrace

https://backpack.tf/profiles/76561198410123158#!/compare/1596758400/1596931200

https://backpack.tf/profiles/76561198088764747#!/compare/1592870400/1596844800

https://backpack.tf/item/7955630070

Sale 12: Went to a mannco bot.

https://backpack.tf/profiles/76561198088764747#!/compare/1596844800/1592870400

https://backpack.tf/profiles/76561198400327203#!/compare/1596758400/1596844800

Sale 13: Untrace

https://backpack.tf/profiles/76561198337734785#!/compare/1598140800/1598227200

https://backpack.tf/profiles/76561198244962432#!/compare/1598054400/1598140800

Buyout was 9 keys, it likely went for 9.

The listing was there for 17 days, so it would be considered a valid sale.

https://bot.tf/stats/listings/4KV7G6Z0

https://bot.tf/stats/listings/MGLNO5WW

Sale 14: Sold for Planets Merryweather

https://backpack.tf/profiles/76561198244962432#!/compare/1598227200/1598313600

https://backpack.tf/profiles/76561198164491585#!/compare/1598054400/1598313600

Merryweather only other sale is for 18~, and 18 is high, going to use there.

Marketplace

https://marketplace.tf/items/tf2/120;5;u60

27/1.98 = 13.64 rounds to 14 keys

https://manic.tf/keyprice/?at=2020-06-08

29.09/1.84 = 16 keys~

https://backpack.tf/item/1992259800

Listings during the time: https://bot.tf/stats/listings/4P0ZVL6E

Classifieds

https://gyazo.com/8683f880ccc5ba5472ac3f33226a2cb5

Unbumped seller at 13.

Summary

Sales at 9 (likely) and 14.

Marketplace sales at 14 and 16.

Conclusion

16 is probably high due to past sellers, 9 being there at the same time.

9 is also much lower than the 3 sales here.

Going with 14 here.