Top Ten World's Costliest Spices
Lots of interesting spices on this list to make your cooking tastier!
1. Saffron
2. Vanilla
3. Mahlab
4. Long pepper
5. Black cumin
6. Kaffir lime leaver
7. Grains of Paradise
8. Cardamon
9. Cloves
10. Cinnamon
Source: AgronoMag.com