Board Thread:The Quarters - Q & A/@comment-202.20.4.38-20140226010837/@comment-24459124-20140226012535

All the documentation on Rebirth indicates that any special items lost should become available again when you re-unlock rewards at level 2. If you have already reached level 2 and have not seen any means of repurchasing or regaining your special items, you'll probably want to submit a bug to Github