[Mary Kirk Lady Vernon] [graphic].[not after 1797]engPortrait of a woman, head and shoulders slightly to left, head turned to right and glancing towards the viewer, wearing a low-necked gown with a rope of pearls hanging from the shoulder and a veil over her hair; in an ovalTitle from note below image in Horace Walpole's hand.Date of publication based on death date of Horace Walpole, whose annotation is present on sheet.Sheet trimmed within plate mark on right and left sides.