Resuggesting, thanks to Offline and Seven.

Sales

Sale 1: Sold for 60 keys (second comparison)

https://backpack.tf/profiles/76561198057473786#!/compare/1592006400/1592179200

https://backpack.tf/profiles/76561198110956101#!/compare/1591747200/1592179200

Buyout was close enough

https://bot.tf/stats/listings/4KV8LLZX

Sale 2: Untrace

https://backpack.tf/profiles/76561198012766467#!/compare/1571184000/1590105600

https://backpack.tf/profiles/76561197967466632#!/compare/1589241600/1591574400

Sale 3: Sold for 65 keys

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

https://backpack.tf/profiles/76561198059002472#!/compare/1598054400/1598227200

Sale 4: Traced 26 keys + 27 refined

https://backpack.tf/profiles/76561198337734785#!/compare/1595203200/1595376000

https://backpack.tf/profiles/76561198816868538#!/compare/1593820800/1597708800

Buyorder was about 55 keys~

https://bot.tf/stats/listings/4ZP0P6KD

Sale 5: Sold for 70 keys

https://backpack.tf/profiles/76561198160425427#!/compare/1597449600/1597968000

https://backpack.tf/profiles/76561198137566942#!/compare/1597449600/1597276800

Marketplace

https://marketplace.tf/items/tf2/30394;5;u58

July

$135.03 on July 11 (135.03/1.99 = 67.85 rounds to 68 keys)

https://manic.tf/keyprice/?at=2020-07-11

August

$100 on August 20 (100/1.79 = 56~)

https://manic.tf/keyprice/?at=2020-08-20

https://backpack.tf/item/7957411048

Classifieds

https://gyazo.com/7c37171774ec3abf82bf00f0ae8555b9

Summary

Sales are at 55 (likely), 60, 65, and 70.

Marketplace sales at 56 and 68.

Conclusion

Excluding 55, 56, and 60, because all are under current buyers.

Although 65 was duped, it's close enough to include here.

Going with 65-70 here.