High Quality Bushnell Mother of Pearl Gilt Metal Opera Glasses. Under the turning section within a diamond shaped losenge are the letters BOL under that it says Japan. At the top it reads Bushnell and then 3X COATED. The optical quality is very high. They have a Mother of Pearl sectioned base. They measure at the bottom 4-1/8 inches wide. At the top they measure 3-7/8 inches wide. Height when closed 2 inches. They come with a fitted leather and red lined case. The bottom of the case is marked Japan. This is an unusual pair guaranteed to please the new owner.