This is a Victorian Silver Plated Folding Biscuit Box

This is a Victorian silver-plated folding biscuit box, also known as a biscuit warmer - These decorative antique boxes date back to the late 19th century, around the 1880s. The box is designed with a shell-shaped body that rests in a cast frame, often with a handle on top. When opened, the box reveals two compartments with pierced grilles that serve as internal dividers to keep biscuits separated. Many of these boxes were made by the renowned silversmiths Fenton Brothers of Sheffield, England, and often bear the Staniforth's Patent mark.