Karma scissors + storage quick question

If you store a karma'd item on a character then take it out with that same character, does it lose its karma'd effect? The single tradeability description is still on the item after I put it in storage. Also, is it possible to hold two zakum helms at once with any sort of karma'ing, even though it's a one of a kind item? I have two maple hats on one character, and those are one of a kind.

Are they maple hats that require different levels?