[b]Nuts n' Bolts Burning Question[/b]

https://backpack.tf/profiles/76561198052542442#!/compare/1589673600/1589760000
https://backpack.tf/profiles/76561198077843540#!/compare/1589587200/1589673600
Untraceable, what can be traced is below buy orders

https://backpack.tf/profiles/76561198077843540#!/compare/1589673600/1589760000
https://backpack.tf/profiles/76561198183779039#!/compare/1589587200/1589846400
untraceable

[b]Marketplace sale[/b]
https://marketplace.tf/items/tf2/30987;5;u31
Sold on 5/22/2020 for $29.99 / $1.87 = 16.04 keys ~ 16 keys