This pair has the copyright notice which leads me to believe this was the original manufactor and not a later reproduction.

Add a patriotic touch to your book collection with these vintage bronzed pair cast iron bookends featuring the Liberty Bell. The bookends, manufactured in the United States in the 1930s, are made of sturdy cast iron and finished in antique bronze. The rectangular shape and colonial style make them perfect for a rustic-themed decor.

The bookends are marked with the brand 'CT' and have an original/ reproduction status of 'original'. They are perfect for any book collection and make a great addition to any patriotic-themed collection.