Adhesive for gold leaf, applied with a brush and often used for gilded linear patterns on draperies. Consists usually of pigment in an oil-resin medium. Mordant gilding is not burnished.

Source: Skaug, Erling. Punch Marks from Giotto to Fra Agelico: Attribution, Chronology, and Workshop Relationships in Tuscan Panel Painting: with Particular Consideration to Florence, c.1330-1430 (Oslo: IIC, Nordic Group, the Norwegian section, 1994), p. 12.