2 Rare VTG Coluzea Sea Shells 85mm Collectible Beach Decor Aquarium

2 Rare VTG Coluzea Sea Shells 85mm. 2 rare deep water coluzea sea shells 50 or more years old. Origin unknown. They were a gift from a friend who owned a submarine that was used for marine research all over the world. Each shell is approximately 85 mm or approximately 3 3/8 inches long. Please see photos for condition.