Sixteen Designs for Consoles, Carlo Marchionni, Italian, 1702-1786, Pen and sepia ink, brush and gray watercolor on paper; verso: pen and ink, graphite, Vertical rectangle with sixteen designs for consoles. All but one of the sketches with wash. The consoles are protruding from a frieze. Two are with masks, most with escutcheons, one with a tablet, three with motifs of architectural ornament. Verso: A tree, and in front of it the upper part of a column standing obliquely above a base, with a plummet hanging from its top. Above, a sketch probably showing how to measure the angle of the oblique angle and in graphite, an upright oblong drawn into the oblique column., Rome, Italy, 1720-30, architecture, Drawing, Drawing