1: Discover 3 mysterious pennies found under floorboards.

2: One coin valued at 105 million USD stuns experts.

3: Uncover the history behind these hidden treasures.

4: Speculations rise on origin of the valuable coin.

5: Explore theories on why the pennies were hidden.

6: Experts analyze the significance of these rare finds.

7: Get a glimpse into the secretive world of numismatics.

8: Learn about the process of authenticating valuable coins.

9: Dive into the mysterious world of hidden treasures.