PIETAS
| Date | Clue |
|---|---|
| 2015-12-10 | Several works of Michelangelo |
| 2013-06-08 | Some Vatican art |
| 2007-01-17 | Some religious artworks |
| 2006-08-08 | Religious artworks |
| 1998-09-19 | Vatican artworks |
| 1996-06-26 | Some Renaissance works |
| 1995-02-16 | Religious works of art |
| Date | Clue |
|---|---|
| 2015-12-10 | Several works of Michelangelo |
| 2013-06-08 | Some Vatican art |
| 2007-01-17 | Some religious artworks |
| 2006-08-08 | Religious artworks |
| 1998-09-19 | Vatican artworks |
| 1996-06-26 | Some Renaissance works |
| 1995-02-16 | Religious works of art |