For 10 points, Gustav Klimt often applied the thinly-beaten "leaf" form of what precious metal to his paintings?
The Dead Christ in Milan's Brera Gallery was signed in this material by Carlo Crivelli, who often made intricate floral and geometric patterns using it. This material was frequently applied to layers of red bole. This material was mixed up with honey or gum water in a "shell" technique favored by Botticelli, whose pseudonym may be a bastardization of "battigello", the term for Florentine craftsmen who worked with it. This is the dominant material of a portrait of a woman that the (*) Nazis seized from the household of a Jewish industrialist. This material ornaments egg tempera paintings such as the Rucellai Madonna, the Maesta, and other Duccio artworks made in the vein of Byzantine icon tradition. For 10 points, Gustav Klimt often applied the thinly-beaten "leaf" form of what precious metal to his paintings?
The Dead Christ in Milan's Brera Gallery was signed in this material by Carlo Crivelli, who often made intricate floral and geometric patterns using it.
gold leaf [or gilding; or gilt; fuck off, Adolf Loos!]