A MEDIEVAL STAINED GLASS ROUNDEL

probably English, 14th century, of the head of a Saint, black monochrome on a green ground, 15.5cm x 15cm; a stained glass panel of the Virgin Mary crowned, probably English, late 14th century, in brown monochrome on a clear background, 15cm high; and a stained glass tracery panel painted with the head of a Bishop, probably 16th century, 25cm x 18cm (3)