The government long ago abandoned this idea, the federal reserve has bound us to a paper/ valuless coin monopoly. You're best to try to sell it for its nurismatic value. You ought find a book titled end the fed, by Ron Paul and hubwill learn vry much about hur question in that book.
To "cash in" means to take the bill to a bank. They're only required to give you $1 in current coins or bills, but not silver. The government stopped printing silver certificates in the mid 1960's when the price of silver was deregulated. Redemption for silver coins or bullion was abolished in 1968 to prevent people from "gaming" the exchange process by speculation.
Cash in Hand - 1998 is rated/received certificates of: Iceland:LH
Hard Cash - 1921 is rated/received certificates of: UK:U
Cash - 2007 is rated/received certificates of: India:U/A Portugal:M/12
Cash Stashers - 1953 is rated/received certificates of: USA:Approved
Cash and Carry - 1937 is rated/received certificates of: Australia:G
Cash in Hand - 1994 is rated/received certificates of: UK:U
Cash and Curry - 2008 is rated/received certificates of: UK:15
Fallet Cash - 1976 is rated/received certificates of: Sweden:11
Kids for Cash - 2014 is rated/received certificates of: USA:PG-13
The first $1 U.S. silver certificates were introduced in 1886. No certificates have been redeemable for silver since 1968.
Cash for College - 2005 TV is rated/received certificates of: USA:G