Both are lavishly decorated by the court decorator Gerard Dagly: the single manual instrument, covered with gilded chinoiserie on a porcelain white background, earning the instrument the affectionate modern nickname "The White Mietke", while the double manual instrument is in similar style, but on a black background and thus often referred to as "The Black Mietke".
Both are ornately decorated by Gerard Dagly: the single-handled instrument boasts gold-china patterns on a white porcelain surface, giving it the affectionate nickname "The White Mietke", whereas the double-handled instrument shares this style but is set against a black background, hence often referred to as "The Black Mietke".