Altarpiece unclear. Altarpieces can still broadly be divided into two types, the "reredos", which signifies a large and often complex wooden or stone altarpiece, and the "retable", an altarpiece with panels either painted or with reliefs. Retables are placed directly on the altar or on a surface behind it; a reredos typically rises from the floor. Retable-type altarpieces are often made up of two or more separate panels created using a technique known as panel painting. The panels can also display reliefs or sculpture in the round, either polychrome or un-painted. It is then called a diptych, triptych or polyptych for
Death of the Virgin Mary of Košátky broader circle of paintings executed in a similar way, such as the Vyšší Brod Altarpiece, the Kaufmann Crucifixion and the panels of the Morgan Collection (the "Small Morgan Panels"). The panel was probably originally the wing of a diptych, the second part of which was the Wrocław Holy Trinity. In the quality of its execution, the picture ranks among the finest known works dating from the 14th century. It is at the same time the most Italian work of the entire Bohemian school. The construction of space reveals that the artist was acquainted with the central Italian painting of Siena