Peace sign Executioner

https://backpack.tf/stats/Unusual/Executioner/Tradable/Craftable/18

1st item

Marketplace.tf 09/06/2020

$54.99 / $1.99 = 27.63 keys, rounding 28

2nd item

Marketplace.tf 05/07/2020

$35 / $1.88 = 18.62 keys, rounding 19

3rd item

Marketplace.tf 07/07/2020

$43.99 / $1.98 = 22.22 keys, rounding 22

4th item

https://backpack.tf/item/8282833050

https://backpack.tf/profiles/76561198043936328#!/compare/1593993600/1594080000

https://backpack.tf/profiles/76561199011488010#!/compare/1593993600/1594080000

Bulk sale untraceable

5th item

https://backpack.tf/item/8467794699

https://backpack.tf/profiles/76561198342399444#!/compare/1587081600/1587686400

https://backpack.tf/profiles/76561198844296846#!/compare/1587513600/1587600000

Bulk Sale, untraceable

6th item

https://backpack.tf/item/8707635632

https://backpack.tf/profiles/76561198252999692#!/compare/1593993600/1594080000

https://backpack.tf/profiles/76561198071286081#!/compare/1593820800/1594166400

Bulk Sale, untraceable

19 22 28

Excluding 28, going with 19-22 as a range