Trivial Item or Treasure? (A Random 1d4 Table)

1. A highly polished hand rubbed wooden rod. Magical?
   
2. A leather bound journal with wood covers that contains imprints of various leaves from across the land.
3. A perfectly flat 5'x5'x2' slate of granite.
4. A box of love letters between two long dead nobles who where once rulers of now rival nations.