Frame depicting the Annunciation; Baptism of Christ; Entry into Jerusalem; Saints Cecilia and Catherine of Alexandria; Trinity (Gnadenstuhl; Mercy Seat); and four Music-making Angels; Frame painted with the top of the frieze proclamation to Mary; the baptism of Christ and the entry into Jerusalem at the bottom. Saints Cecilia and Catherine and four other musicians saints or angels on either side. At the top in the tympanon a representation of the Grace chair; the announcement of Christ's birth (Luke 1: 26-38); entry into Jerusalem: people spreading their clothes before Christ on the ass; and waving palm branches (Matthew 21: 1- 11; 21: 14-16; Mark 11: 1-11; Luke 19: 28-40; John 12: 12-19); God the Father holding the crucifix; 'Gnadenstuhl ' Mercy-Seat; Throne of Grace; Baptism or Christ in the river Jordan: John the Baptist pouring out water on Christ's head: the Holy Ghost descends; the virgin martyr Cecilia of Rome; possible attributes: falcon; musical instruments; organ; wreath or roses and lilies; Giovanni di Francesco del Cervelliera (circle of); Italy; 1450 - 1460; poplar (wood); tempera; h 146 cm x w 86.2 cm x d 15.3 cm