A rare copy of the U.S. Constitution refers to one of the limited original or early printed versions of this foundational document. The Constitution, adopted in 1787, outlines the framework of the United States government and the rights of its citizens. Copies from the time of its signing or early printings are highly sought after by collectors and historians. These rare copies can provide valuable insights into the historical context and the intentions of the Founding Fathers. They are often preserved in museums or private collections, and their value can reach millions of dollars, reflecting their significance in American history and governance.