Cartonnage disc with traces of gilding on one surface and fully gilded on the other. The fully gilded surface is concave, and was probably originally part of the exterior decoration of a mummy case or coffin. Pieces of blackened linen adhere to this side.Cartonnage disc with traces of gilding on one surface and fully gilded on the other. The fully gilded surface is concave, and was probably originally part of the exterior decoration of a mummy case] or coffin. Pieces of blackened linen adhere to this side.