This is a rare opportunity to own a piece of American history with these beautiful and unique stamps. The Boston Tea Party July 4th 1973 Historic Stamps of America are in immaculate condition and have never been hinged. The stamps come from the United States and are an exceptional addition to any stamp collection. The authenticity of the stamps is not certified, however, the quality speaks for itself. These stamps are a must-have for any stamp collector interested in United States postal history.