The mysterious envelope of Trzaskovsky. What was in it? We know the thought of Nawrocki's staff

Rafał Trzaskowski at the end of Monday's TVP debate gave Karol Nawrock a mysterious envelope. What was in it? Michał Wójcik, vice president of PiS, was incapable to answer this question at TOK FM. But it turns out that the contents of the envelope can be rapidly known.