Which was the most revered and expensive product of ancient Mexican civilizations?

Question: Which was the most revered and expensive product of ancient Mexican civilizations?

Options:

---

Correct answer:

---

More games: guess the idiom, infinite pics answers,  guess the emoji.

7 little words

1. Bitcoin’s crypto-backbone
2. Parts of the heart’s cage
3. Go downstairs perhaps
4. Filling an empty room
5. Laid-back weekend meals
6. Transfix in fear 7 Little Words
7. Greatly increases in number