two circular panels, hinged and folded together
Upper: Crucifixion with fainting Virgin; male and female patrons kneeling at left; above, shield of arms; below, lozenge-shaped arms for the female;
lower half: St Jerome in forest praying before crucifix; hat, cloak and lion behind, church in distance; outside: low relief, Marriage of the Virgin, Virgin and Child with St Elizabeth [NB Marks 1977 says it's St. Anne]
source: British Museum website