Vintage teak wall bookcase with sliding doors

Here is a wall bookcase dating from the 1970s. It is made of teak. With removable shelf. It is held on the wall by a clever system: a grooved board containing a level on which the module is clicked. White background. Possibility of combining it with the wall-mounted secretary module from the same series, as well as 2 other wall-mounted bookcase units with sliding doors. Possibility of combining it with the wall-mounted secretary module from the same series, as well as 2 other wall-mounted library elements. Very good state of conservation. Minor traces of use. Dimensions: height 50 cm width 81 cm - depth 22 cm.