Old round wooden window

Old round window in very good condition. Opens and fits perfectly and closes with 2 latches on the right and left, but there is no hinge to keep it open; you have to remove the front part that fits into the back part. Ideal for a partition to light up 2 rooms. Total diameter 88 cm, diameter of the window front 76.5 cm. Thickness of the part that will go into the wall 4 cm, total thickness 7 cm, weight 10 kg. The putty has been redone; it is ready to be installed.