Resuggesting, thank you Xergoyf, decided to go with the newer sales!

Sold for 25 keys

https://backpack.tf/profiles/76561198088878793#!/compare/1582675200/1582761600

https://backpack.tf/profiles/76561198165347447#!/compare/1582588800/1582848000

Untrace

https://backpack.tf/profiles/76561198098550460#!/compare/1585785600/1585872000

https://backpack.tf/profiles/76561198115721685#!/compare/1585785600/1585872000

Sold for 25 keys

https://backpack.tf/profiles/76561198335791307#!/compare/1583971200/1584057600

https://backpack.tf/profiles/76561198098550460#!/compare/1583971200/1584144000

Sold for 30 keys

https://backpack.tf/profiles/76561198317802744#!/compare/1586822400/1587513600

https://backpack.tf/profiles/76561198045022302#!/compare/1586736000/1586908800

Unknown

https://backpack.tf/profiles/76561197994194912#!/compare/1583625600/1587254400

https://backpack.tf/profiles/76561198160856661#!/compare/1587168000/1587254400

Sold for 18 keys

https://backpack.tf/profiles/76561198305494036#!/compare/1586131200/1586217600

https://backpack.tf/profiles/76561198006295346#!/compare/1586217600/1586131200

Bulk for Purple Energy Company Man

https://backpack.tf/profiles/76561198212822955#!/compare/1585526400/1585699200

https://backpack.tf/profiles/76561198305494036#!/compare/1585612800/1585699200

Sold for 20 keys

https://backpack.tf/profiles/76561198168863803#!/compare/1582588800/1582675200

https://backpack.tf/profiles/76561198212822955#!/compare/1582070400/1582761600

Marketplace

https://marketplace.tf/items/tf2/405;14

29.06 on April 20, 2020 (29.06/1.79 = 16.23 rounding to 16 keys)

29.24 on May 7, 2020 (29.24/1.88 = 15.55 rounding to 16 keys)

$46 / $1.98 = 23.23 keys

$37 / $1.98 = 18.69 keys

$75 / $2.03 = 36.95 keys

$44.67 / $1.99 = 22.45 keys

Current Classifieds:

https://gyazo.com/1e28fc7555b2dc4b9fd16e6623ff4829

19 & below seem low due to buyers.

30 & 37 seem high due to quite a few sales at lower.

Taking 22-23 keys here.