50 cents. It's made of copper-nickel, not silver.
Some have more silver than others and some don't have any silver, so a DATE is needed. Post new question.
Please post a new question with the coin's date and mint mark. Half dollars contained silver for about 170 years so there are far too many to list here. Also, U.S. half dollars were never solid...
It's just 50 cents, spend it.
Being gold plated removes its numismatic value. The coin is worth 50 cents and the plating less than one cent.
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