In the olden times, before paper and coin currency came into being, rare objects with very high intrinsic value served as money. Which of the following is NOT one of them?

None of the above.

The correct answer is Option 4: None of the above.

All the given items were used as money.

NCERT: The difficulties of barter system were overcome by the introduction of money. In the olden times, before paper and coin currency came into being, rare objects with very high intrinsic value served as money, like, flintstones, obsidian, cowrie shells, tigers paws, whales teeth, dogs teeth, skins, furs, cattle, rice, peppercorns, salt, small tools, copper, silver and gold.