This copy has been signed by "the Architect of the Capitol". 

Compilation of Works of Art and Other Objects in the United States Capitol (1965) is a pivotal historical document that illuminates the cherished legacy within the hallowed halls of the Capitol building. Since its cornerstone was laid in 1793 by President George Washington, the Capitol has evolved into an iconic national treasure. This compilation serves as a testament to the remarkable journey of accumulating art within its walls.