Void-pocket glass brick Nevada called "the corbusier"

Empty-pocket, nevada glass brick, called "le corbusier glass brick", because he used it for different architectural works, such as the cité de refuge in paris or the swiss foundation, cité universitaire. Another architect, pierre chareau, also used it for la maison de verre in paris. It measures 19.8 cm in side and 3 cm in height. The peculiarity of nevada brick is that it is hollowed out in a circle in the middle, which makes it an elegant pocket empty. Excellent condition.