AN AMSTERDAM SCHOOL MAHOGANY BOOKCASE, the shaped back carved at the centre with a notched rim, and applied at each end with an ebonized reeded cylindrical ornament, the rectangular glazed cupboard door flanked on one side by lower rectangular bookcase with plain top above two shelves, on ebonized triple-disc feet below semi-parabola decoration, with one key stamped J.J. Zyfers & Co. Amsterdam