Palette: slate with wooden ends, gesso-gilt.
Reeds: none (engraved on the slate within reed hollow)
Colours: Black: a soft black stone, probably black serpentine or
steatite.
Red: yellowish translucent calcite with red cement underneath.
TreatmentPalette Cleaned with warm water and the gilt with ammonia.
Fixed one end, that was loose, and one loose colour (red) with
celluloid cement.