 The archangel Gabriel appears to Mary to inform her that she shall bear the Son of God . He is shown standing in a three @-@ quarter view wearing a small jeweled diadem and dressed in vestments . He has a richly embroidered red @-@ and @-@ gold brocade cope , edged with a pattern of gray seraphim and wheels , over a white alb and <unk> . He holds his staff of office in one hand , and raises the other towards the Virgin . He bends his knees , honoring and acknowledging her as Mother of Christ and Queen of Heaven , and his feet are bare and positioned slightly behind hers . 
