1: Introducing the Bicentennial Quarter, a valuable collector's item worth over 80 million.

2: History of the Bicentennial Quarter, minted in 1976 to celebrate America's 200th year of independence.

3: Rare varieties and errors of the Bicentennial Quarter make it highly sought after by collectors.

4: Factors that influence the value of the Bicentennial Quarter include condition, rarity, and demand.

5: Tips for collectors looking to invest in the Bicentennial Quarter market.

6: How to authenticate and appraise a Bicentennial Quarter to ensure its true value.

7: Recent auctions and sales of Bicentennial Quarters exceeding 80 million dollars.

8: The future outlook for the Bicentennial Quarter market and potential for continued growth.

9: Conclusion highlighting the enduring appeal and value of the Bicentennial Quarter in the numismatic world.