This rare quarter is worth $20K: How to tell if you have one

As the United States approaches its 250th birthday, collectors are finding value in a coin that was minted to commemorate another celebratory milestone — the bicentennial celebration of 1976.

Produced between 1975 and 1976, the special edition money pieces were notable for being the first U.S. quarters in more than 50 years to feature a special reverse design, according to a report from GoBankingRates.com. The most valuable of those coins — a 1976-S Bicentennial Silver Quarter that came in with a very high grade — sold for $19,200 at auction a few years ago, the publication noted.

But plenty of other bicentennial coins have value as well.

While most of these coins were “clad,” meaning they were made of multiple metals, such as nickel, copper and zinc, that are layered together like a