Upvote:2
If you have a copy of a residence Permit (valid or expired), you can re-enter Italy if you also have a confirmation from the post Office or the Police stating that you've applied for a new residence Permit.
If you hold a copy of an expired Permit, you Need a confirmation from the Police stating that it's a legitimate copy
So, reading your question, it should be possible. What could be a Problem is convincing the Airline to let you board. Although they can look up the correct info, my experience is they're often too lazy to.