Commentary of Rashi on Exodus 25:30 – "Bread of the Faces: because it had faces," "לחם פנים - שהיה לו פנים", and commentary of Nachmanides on the same verse – "Bread of the Faces: because it had faces facing this way and that way," "לחם פנים - שיש לו פנים רואים לכאן ולכאן"
