LIBERTY Eyeglasses by Blackfin. Color: Blackfin Black, Mud Brown, Pine Green, Size: 54-15-145. LIBERTY eyeglasses by Blackfin are a true testament to the brand’s commitment to quality and style. These frames are designed with a minimalist aesthetic that is both modern and elegant. The lightweight construction ensures comfort, while the durable materials guarantee long-lasting wear. LIBERTY eyeglasses are ideal for individuals who appreciate understated elegance in their everyday accessories.