Pen and black ink, brush and washes, graphite on paper.
20.4 × 27.9 cm (8 1/16 in. × 11 in.)
Research in Progress
The folding door is flanked by pilasters, the capitals of which are connected by a friese showing the Adoration of the Christ Child. Crouching lions face each other on top. Alternative suggestions are made for the decoration of the pilasters and of the door. Walls are shown laterally. Plan, scale at the bottom.