Sure, why not.

Sold for a Duped Searing Plasma Killer's Kabuto(42 Keys) and an Aces High Professional's Panama(12.5 Keys, rounding to 13)(55 Keys total)

http://backpack.tf/profiles/76561198162719632#!/compare/1463702400/1464134400

Duped Searing Plasma Killer's Kabuto mini suggestion

Added 4 Keys for a Cool Pro KS Aqua Marine Rocket Launcher(~59 Keys)(55 Keys total)

http://backpack.tf/profiles/76561198162719632#!/compare/1462838400/1463097600

Duped can't be more than clean, using clean price(42 Keys).

Cool Pro KS Aqua Marine Rocket Launcher mini suggestion

Sold for an Australium Spec KS Rocket Launcher(~57 Keys at the time) and 2 Keys(59 Keys total)

http://backpack.tf/profiles/76561198152583215#!/compare/1462147200/1462233600

Using 59.

Only useable sale I could find, 55 Keys should be fine.

Additional Proof/Counter-Proof/Constructive Criticism/Feedback is always appreciated.