Brand: Cartier Collection: Must de Cartier Material: Calfskin leather Color: The classic "Bordeaux" or burgundy color, which is a signature of the Must line. Design Features: Embossed double C logo on the exterior. Gold-plated or golden-finish metal corners. Typical Features: Snap-on coin case pocket. Multiple card slots and bill compartments inside. Status: This line was introduced in the 1980s and phased out by the early 2000s, making these vintage or pre-owned items popular among collectors.