Anonymous, Italian, Piedmontese, 18th century

Design for Elevation for Elaborate Wall and Vault with the Savoya Arms

1700–1780

Pen and brown ink, brush with gray wash and watercolor, over leadpoint or graphite, with ruled and compass construction. Scale, at bottom, in pen and brown ink. Framing outlines in pen and dark brown ink

51.5 × 42.8 cm (20.3 × 16.9 in)