The drawing depicts an angelic figure standing on steps, holding a trumpet to its mouth with one hand and a large feather or palm branch in the other. The figure has wings and flowing robes, with detailed line work emphasizing the form and drapery. The sketch appears to be a design for a sculpture.
Drawing, Looking glass 
Drawing, Stage Design, Citadel on a River, late 18th century 
Drawing, Stage Design: Library Interior with Arches, early 18th century