Anonymous, Italian, Piedmontese, 18th century

Two One Half Variants of a Design for Painted Wall Decoration with Arch and Perspective View Inside (recto). Negligible diagrams and compass drawn circle (verso).

1700–1780

Pen and brown ink, brush and gray, red-chalk, and yellow wash, over leadpoint or graphite, with ruled construction (recto). Compass construction in leadpoint or graphite, at top (verso). Scribble in black chalk towards bottom (verso)

53.3 × 38.4 cm (21 × 15.1 in)