Design for a Decorated Wall and Ceiling of a Gallery, marked with the monogram of the French King Henri III or IV. Artist: Toussaint Dubreuil (French, Paris ca. 1561-1602 Paris); Previously attributed to Perino del Vaga (Pietro Buonaccorsi) (Italian, Florence 1501-1547 Rome). Dimensions: Sheet: 14 1/8 × 9 3/4 in. (35.9 × 24.8 cm). Date: ca. 1580-1600.Design for the decoration of a wall and ceiling, most likely with a barrel vault. On the bottom of the sheet (part of) a wall elevation is shown decorated with a large rectangular compartment in which a landscape scene is depicted. The decorations along the frame of the compartment were most likely meant to be executed in stucco. To the right cursory indications of a window bay are painted in wash. Above the wall elevation, the ceiling is divided in two parts. On the left side, a large rectangle represents the main body of the barrel vault. At its center a trompe l'oeil painting of a balcony and oculus are indicated. The trompe l'oeil is