If i remember right physical packages do not carry over i don't know if they changed it or not so if you ever got a physical package from someone else you were not supposed to get the physical stuff just the digital. i forget where they wrote that.
In my case I'm fine, both my original accounts have their own package purchased by those accounts ;)
But I have once asked support when the packages would be shipped years ago, and they said this is not even a thing yet, and that they would ask accounts with physical pledge when the time comes for the shipping address. I was asking this as my billing address is overriding my shipping address in my account, which made me worried the signed collector woulkd not ship to the right place.
So I guess physical pledges can be traded (at least once only, since you loose them if reclaimed).