 For decades, a small metal tube sat at the Wroclaw Museum of Archaeology in Poland. Researchers in Wroclaw discovered it in the mid-90s, but they didn't think it was anything special, so they left it with the local museum, where it remained untouched and unexamined, until Agata Maciejaniczik, who works at the museum, thought it was time to take a closer look. We reached Ms. Maciejaniczik in Wroclaw. Agata, when you took a look inside this tube, what did you see?