If your coin has the dual dates 1776-1976 on it, it was minted as part of the celebration of the U.S. Bicentennial.
You didn't specify its denomination but the only dual-dated coins issued were quarters, halves, and dollars. All were minted for circulation in enormous quantities, so if you have anything except a proof version with an S mint mark, it's likely to be only worth its face value.
50 cents.
Look again. The date says 1776-1976. It's a Bicentennial coin worth 50 cents
Assuming the coin says 1776-1976, it's worth 25 cents.
It's a common coin, still worth one dollar.
I suspect the coin says 1776-1976, in which case it's worth 25 cents.
50 cents.
Look again. The date says 1776-1976. It's a Bicentennial coin worth 50 cents
Assuming the coin says 1776-1976, it's worth 25 cents.
It's a common coin, still worth one dollar.
The bicentennial dollar is a common coin, still worth one dollar.
I suspect the coin says 1776-1976, in which case it's worth 25 cents.
It's still worth one dollar.
A denomination and mintmark is needed, post new question.
All circulating bicentennial Kennedy half dollars are worth 50 cents.
The 1776-1976 dollar was an Eisenhower dollar and the silver version has a current value from $14 to $325 depending upon the condition of the coin.
Its worth 1 dollar in the stores, but as of April 21, 2010 the melt value of the coin is approximately $5.72
The coin must have so much wear you can't see the other date 1976, and it's only worth 50 cents.