Darley Wallet Night Sky Micro Classic GrainMulberry Darley Wallet Night Sky Micro Classic Grain The Darley Wallet is a statement Mulberry accessory, combining our iconic Postman's Lock hardware with carefully considered detailing. Postman's Lock closure Two gusseted compartments Twelve credit card slip pockets One internal zip compartment Two internal slip pockets One external card slip pocket Brass hardware finish Nappa lining Dimension: Height approx 10cm Width approx 19cm Depth approx 2.