Burberry Ladies Tops. Fashion category - Casual Button-Downs. SKU - 8094159. Color - Chalk Ip Pattern. Burberry Postbox Silk Shirt. This silk poplin shirt features a button closure, point collar, and a chest patch pocket. It has single-button cuffs, a curved hem, and a regular fit. The shirt is printed with hand-drawn artwork, showcasing a postbox and an envelope stamped with the Equestrian Knight Design. 100% silk. Made in Italy.