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
Dresden Altarpiece spreading incense from thuribles. The side panels also contain numerous puttoes in the background. Their style difference could indicate the intervention of assistants. <br> Dresden Altarpiece The Dresden Altarpiece is a triptych by German Renaissance artists Albrecht Dürer, executed between 1496 and 1497, and perhaps continued in 1503-1504. It is housed in the Gemäldegalerie Alte Meister of Dresden, Germany. The painting was one of the first commissions received from Frederick III, Elector of Saxony, together with the "Seven Sorrows Polyptych" and the "Portrait of Frederick III of Saxony". Dürer knew the elector during the latter's short stay in Nuremberg in