Next.

SALE 1: Unknown

https://backpack.tf/profiles/76561198133825339#!/compare/1563926400/1564531200

https://backpack.tf/profiles/76561197996869097#!/compare/1563840000/1564099200

SALE 2: Bulk for cloudy moon commando elite

https://backpack.tf/profiles/76561198848059175#!/compare/1567468800/1567555200

https://backpack.tf/profiles/76561198376331369#!/compare/1567468800/1567555200

SALE 3: Bulk for duped chiroptera gridiron guardian

https://backpack.tf/profiles/76561198376331369#!/compare/1567555200/1567641600

https://backpack.tf/profiles/76561198232041512#!/compare/1567468800/1567641600

SALE 4: Unknown

https://backpack.tf/profiles/76561198360929997#!/compare/1563753600/1563840000

https://backpack.tf/profiles/76561198037674114#!/compare/1563148800/1565827200

SALE 5: Unknown

https://backpack.tf/profiles/76561198078373457#!/compare/1563667200/1563753600

https://backpack.tf/profiles/76561198116799484#!/compare/1563667200/1563753600

SALE 6: Unknown

https://backpack.tf/profiles/76561198116799484#!/compare/1563753600/1563926400

https://backpack.tf/profiles/76561198360929997#!/compare/1563667200/1563753600

SALE 7: Sold for 34.99 on July 22

https://marketplace.tf/items/tf2/30907;5;u30

34.99/1.81 = 19.33 rounding to 19 keys

History of SALE 7: https://backpack.tf/item/6946054605

Buyout was 16 keys, capping at 16 keys.

https://bot.tf/stats/listings/426R0WVY

CLASSIFIEDS

https://gyazo.com/090c455144042d41dd466a686c1cb8e7

CONCLUSION

Marketplace sale at 16.

Taking 16 keys.