Where to go for a missing item?

[rocket hamster]

I was all ready to craft a item after the update and one of my craft hats was missing. I do not recall trading it and haven't found any recent answers for this on Google. A site with trade history if it exists would be helpful too in case I did trade it.

 

[cattra]

Usually fire off a email to the Tf2 team they keep records of items usually