Pageants in pseudoclassical dress were popular in Europe from the sixteenth through the eighteenth century. An elaborate costume of the kind displayed here may have been worn for a theatrical performance or a court festivity, such as a ball or carousel in which the theme was taken from classical mythology or history. The embroidered tunic represents an embossed bronze cuirass of the type worn by high-ranking Roman officers. The stylized Greek helmet is richly decorated with mythological and allegorical figures. Inside the helmet is the original paper label that identifies the Parisian maker as Halle dit Mercier and advertises his ability to provide helmets, shields, masks, costumes, and scenery for any occasion.