Reverse glass painting

An ancient art form of applying paint to glass with the intention of it being viewed from the reverse side. It is an ancient art form, widely used for sacral painting since the Middle Ages, and especially with icons of the Byzantine Empire. Among contemporary artists who do Reverse Glass Painting are Romanian artist George Huszar and Iranian artist, Monir Farmanfarmian. Sources: http://en.wikipedia.org/wiki/Reverse_glass_painting; AskART biography