Now that Fish is mod I'm Mindy's #1 suggestion maker. :^)

Sold for a Circling TF Logo Defiant Spartan(20 Keys) and ~17 Keys in Sweets(37 Keys total)

http://backpack.tf/profiles/76561198128191565#!/compare/1489881600/1490140800

Sold for a Haunted Ghosts Ol' Snaggletooth(24 Keys) and 5 Keys(29 Keys total)

http://backpack.tf/profiles/76561198060448233#!/compare/1485648000/1485820800

Sold for 35 Keys

http://backpack.tf/profiles/76561198046941961#!/compare/1486684800/1486771200

Sold for an Australium Pro KS Flame Thrower(~23 Keys) and an Australium Pro KS Axtinguisher(~6 Keys)(29 Keys total)

http://backpack.tf/profiles/76561198053700606#!/compare/1489190400/1489276800

29-37.

Credits to Mindacos for finding the proof, all I did was make the actual suggestion.