1: Rare bicentennial quarter worth nearly $50 million discovered.

2: Collectors on the hunt for valuable bicentennial quarters.

3: Investors eyeing the potential value of rare coins.

4: Three more bicentennial quarters worth over $250,000 USD each.

5: Rarity and condition key factors in determining value.

6: Bicentennial quarter market seeing increased interest.

7: Historical significance adds to the allure of rare coins.

8: Experts predict continued rise in value for rare bicentennial quarters.

9: Rare coin auctions attracting high bids for valuable pieces.