Ceramic ventilator or grill tiles were originally designed for the exchange of air or heat, but can be used as wall decorations.    This vintage vent has not been glazed and is in the bisque stage.   Very attractive floral design.  Info on vent tiles shown in last 2 photos.
14 1/4″ x 5 1/ 4″ x 1″ thick
Great condition; minor edge wear
Qty = 1