An ancient Roman double unguentarium from the 1st century A.D. Unguentaria like these were essential accessories for individuals who sought to indulge in the finest cosmetics, ointments, and aromatic oils. The use of glass as the material for these containers reflects the craftsmanship and innovation of Roman glassmakers. The intricate design and elegant shape of this double unguentarium, including the undulating spiral threads and arched handle, showcase the artistry and attention to detail of Roman glassworkers. Such containers were not only functional but also served as symbols of status and refinement. Ancient Roman Vessels And Glass Artifacts.