Ancient Roman Glass Double UnguentariumRoman Period 400 500 CE , 4. 75 Inches High and 3. 5 Inches Wide. Ancient Roman Glass Double Unguentarium, the twin vessels conjoined and with loop handles, displaying stunning and unique silver patina. vessels such as this one were used for cosmetic purposes, most probably to store cosmetic oils or Kohl. Minor Crack Present In the middle of the 1st century BC, just as Rome was emerging as the Mediterraneans dominant political, military, and economic