Antique Mahogany One-Door Secretary Cabinet, 1890s

19th century German mahogany one-door secretary cabinet. The dimensions are 180x104x50. Height-adjustable shelves behind the doors. Under a drawer. from about 1890. This piece is attributed to the mentioned designer/maker. It has no attribution mark and no
official proof of authenticity,
however it is well documented in design history. I take full responsibility for any authenticity

issues arising from misattribution