This antique glass shell is a rare find for any collector. With its beautiful blue opalescent argonaut design, it is sure to catch the eye of anyone who sees it. The unit type is a single piece, and it was made by Dugan in the United States during the Victorian era. Its originality is guaranteed, as it is a one-of-a-kind item. Don’t miss out on the opportunity to own this stunning piece of history. A Absolutely Beautiful Stunning Piece. Roughly / Approximately 8″ x 7″ x 4 inches.