Not much, they are extremely common. Just keep it or give it to a child to start their new coin collection. They would gold plate them back then and try to pass it as a gold coin. Especially the first year that only had a Roman V on it. It was called a Racketeer coin.
Not much information to go on. What year, which mint, how "fair" is the condition? These are all factors in its sellable value. Does it have any printing errors? Because those go for very high premiums regardless of condition.
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