i learned of this today,and thought id share.

+1 Placing a coin on a veteran’s headstone is a quiet sign of respect and a way to let the family know a visitor stopped by. Each specific coin carries a different meaning about how the visitor knew the fallen service member:Meaning of Each CoinPenny: Shows that a person simply visited the grave to pay their respects.Nickel: Means the visitor and the deceased went through boot camp training together.Dime: Indicates that the visitor and the veteran served together in the armed forces.Quarter: Signifies that the visitor was physically present when the service member died