https://backpack.tf/profiles/76561198129716116#!/compare/1552348800/1552435200

https://backpack.tf/profiles/76561198073438708#!/compare/1552262400/1552348800

Traded for Isotope Cardboard Boxed Rocket Launcher (Field-Tested)

This sale is being used on the Rocket Launcher.

https://backpack.tf/suggestion/5c909e526780725d8a1bb43a

https://marketplace.tf/items/15094;15;u703;w5;pk69;kt-1/

January 30, 2019 for $49.99 / 1.80 = 28 keys

https://backpack.tf/profiles/76561198175420885#!/compare/1550102400/1550188800

https://backpack.tf/profiles/76561198073438708#!/compare/1550102400/1550188800

Untraceable

https://backpack.tf/profiles/76561198129716116#!/compare/1552608000/1552867200

Sold for Acidic Bubbles of Envy Taunt: The Dueling Banjo

This sale is being used on the Dueling Banjo.

https://backpack.tf/suggestion/5c909e4ed381726cec2044a8

https://backpack.tf/profiles/76561198134266699#!/compare/1548547200/1548633600

https://backpack.tf/profiles/76561198175420885#!/compare/1548547200/1548633600

Sold with Disco Beat Down Legendary Lid for Das Maddendoktor #89 + Sunbeams Master's Yellow Belt

This sale has already been used on the Yellow Belt, and doesn't seem fitting to use for the knife, anyway.