This listing is for authentic Ducal Gloss Black Frame Polarized Grey Mineral Glass Lens Fishing & Watersports Sunglasses w/ Side Shields Japan 56-16-135 Vintage Rare 1980’s. Fishing Sunglasses are in fair pre-owned condition, both lenses have some delamination around the edges of the lenses (see photos). Size: 56-16-135. Made in Japan. Please see pictures to make your complete condition assessment. Rare, glass lens, polarized, thick framed sunglasses. These sunglasses were popular for fishing and water sports in the 1980s. These unique and rare to find style and shape are made with quality heavy duty acetate and metal hinges. This style also has side shields with Optical Quality Frame.