Resuggestion, thx Lemons and FionaTheDream

History 1: https://backpack.tf/item/5807749674

Trade with a scammer:

https://backpack.tf/profiles/76561198200850953#!/compare/1604534400/1611619200

https://backpack.tf/profiles/76561199079296067#!/compare/1611532800/1611619200

Untraceable/dump to Quicksell.Store:

https://backpack.tf/profiles/76561199079296067#!/compare/1611619200/1611878400

https://backpack.tf/profiles/76561199084784906#!/compare/1611619200/1611705600

Bot transfer

https://backpack.tf/profiles/76561198850178158#!/compare/1612656000/1612742400

14 keys 28 ref:

https://backpack.tf/profiles/76561198850178158#!/compare/1612742400/1612828800

https://backpack.tf/profiles/76561198987042568#!/compare/1574640000/1612828800

(thx Fiona) https://steamuserimages-a.akamaihd.net/ugc/1759189108102052077/64EFCB983605E7D34CF9FD87AECABB756D1FE5DF/

(thx Lemons) There was a buyout of 14 keys, gonna cap at that https://gladiator.tf/listings/601b9bb98fdc3684fa8e3c8e

History 2: https://backpack.tf/item/4918612249

17 keys:

https://backpack.tf/profiles/76561198150783829#!/compare/1610668800/1610755200

https://backpack.tf/profiles/76561198076297113#!/compare/1610668800/1610755200

History 3: https://backpack.tf/item/4679569945

Untraceable/dumped to Tradeit.GG:

https://backpack.tf/profiles/76561198137962863#!/compare/1608595200/1611100800

Other trades involved a marked SR Scammer so excluding

History 4: https://backpack.tf/item/1845937495

(thx Lemons) not actually Marketplace.tf but the compare doesn't show anything useful

https://backpack.tf/profiles/76561198076297113#!/compare/1607904000/1607990400

Bulk for the BF Mountebank's Masque:

https://backpack.tf/profiles/76561198076297113#!/compare/1610668800/1610755200

https://backpack.tf/profiles/76561198054264941#!/compare/1610582400/1610755200

Sales at 14 and 17 keys, going 14-17