A large twelve-fold black lacquer inscribed landscape screen Qing Dynasty

the front face with a rectangular ink and colour on silk panel, finely painted with a majestic courtyard scene, depicting a pavilion with the Emperor attended by ladies in waiting, and a multitude of figures walking about the flower and tree-filled gardens, all within a carved and painted border of rectangular panels enclosing floral sprays an reserved on a geometric ground, the reverse with a lengthy calligraphic inscription in gold on a blue ground