Diptych - madonna and st catherine of alexandria .
双连画-圣母玛利亚和在亚历山大港的圣凯瑟琳。
Portrait diptych of philippe de croy ( right wing )
信教菲利普双连画的肖像画（右翼）
Saint mary and the choir of angels , from the wilton diptych .
圣玛丽和天使合唱团，来自威尔顿双联画。
His famous diptych portrait of his patrons , count federico da montefeltro and his wife ( c. 1470 ) , is known for its unidealized depiction of their features and the use of landscape in the background .
