Anonymous, Italian, Piedmontese, 18th century

Design for one Half of an Altar: Elevation and Ground Plan

1700–1780

Pen and brown ink, brush and gray wash, with watercolor, over leadpoint or graphite, with ruled and compass construction. (recto). Scales, at bottom, in pen and brown ink over graphite (recto). Upper part of sheet covered with brown wash (verso)

50.4 × 34.2 cm (19.8 × 13.5 in)