6 months outdated.

Taking last 2 months.

Sold for 21 keys + 14.11 refined

https://backpack.tf/profiles/76561198258595884#!/compare/1586995200/1587081600

https://backpack.tf/profiles/76561198454615761#!/compare/1586995200/1586908800

Rounds to 21 keys

Unknown

https://backpack.tf/profiles/76561197980716824#!/compare/1589328000/1591660800

https://backpack.tf/profiles/76561198148511293#!/compare/1591574400/1591660800

First comparison does not go far enough, seems like keys though.

Sold for 56 on May 21, 2020 (56/1.88 = 29.78 rounding to 30 keys)

Sold for 56 on May 31, 2020 (56/1.91 = 29.31 rounding to 29 keys)

Sold for 57 on June 3, 2020 (57/1.96 = 29.08 rounding to 29 keys)

https://marketplace.tf/items/tf2/31069;5;u122

https://backpack.tf/item/8284793901

Seems like bulk for PE Beak

https://backpack.tf/profiles/76561198079764636#!/compare/1588118400/1588204800

https://backpack.tf/profiles/76561198010707003#!/compare/1588118400/1587859200

Bulk for Nebula Universal Translator

https://backpack.tf/profiles/76561198114402400#!/compare/1587513600/1587513600

https://backpack.tf/profiles/76561198126887938#!/compare/1587513600/1587600000

Sold for 32 keys + 25 refined

https://backpack.tf/profiles/76561198267189538#!/compare/1587340800/1587427200

https://backpack.tf/profiles/76561198341171690#!/compare/1587340800/1587427200

Rounds to 32 keys

Sold for 33 keys + 25 refined

https://backpack.tf/profiles/76561198084467765#!/compare/1587254400/1587427200

https://backpack.tf/profiles/76561198267189538#!/compare/1587168000/1587254400

Rounds to 33 keys

Classifieds:

https://gyazo.com/ed6b28719f7d24fba9a3e7c8debdd1d1

1 @ 21 keys

2 @ 29 keys

1 @ 30 keys

1 @ 32 keys

1 @ 33 keys

Highest buyers range from 9.11 to 23.57 keys. Excluding 21.

Taking a range of 29-33 keys here.