It's true that some Bicentennial quarters can have significant value, especially if they possess certain rare characteristics or are in exceptional condition.
However, claiming that a single Bicentennial quarter is worth nearly $90,000 should be approached with caution.
While some may indeed command high prices at auction or in private sales, such valuations depend on factors like rarity, condition, and demand among collectors.
As for the assertion that there are five more Bicentennial quarters worth substantial sums, it's possible that there are varieties or errors within the Bicentennial quarter series that are highly sought after by collectors.
If you have a Bicentennial quarter or any other coin that you believe may be valuable, it's advisable to have it authenticated and appraised by a reputable coin dealer or professional numismatist.
They can provide you with an accurate assessment of its worth based on current market conditions and collector demand.