Full image caption
Roman unguentarium of natural green-blue colour. This unguentarirum or phial is made of moderate-quality glass, with frequent bubbles, some of them large. It was found found complete with rim, neck, body and base. It has a flat-topped rim, in-turned and irregular. The body has four indentations, making for a square cross-section. This phial has a flat base with pontil mark.
© Museum of London