Angel of the Annunciation, ca. 1290?1300, Made in Altenberg-an-der-Lahn, Hesse, Germany, German, Pot-metal glass and vitreous paint, 29 5/8 in. ? 14 in. (75.2 ? 35.6 cm), Glass-Stained, This panel along with the Virgin of the Annunciation once initia