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
Castello Roganzuolo Altarpiece the Diocesan Museum. Much of the work is irretrievably damaged and its fourth cymatium panel showing the dead Christ with angels is still lost. A copy of all four panels now stands in the church, in the original elaborate frame. Castello Roganzuolo Altarpiece The Castello Roganzuolo Altarpiece, Castello Roganzuolo Polyptych or Madonna and Child with Saint Peter and Saint Paul is a painting by Titian, commissioned in 1543 by the leading citizens of Castello Roganzuolo, Province of Treviso, Veneto, Italy. It is now in the Albino Luciani Diocesan Museum in Vittorio Veneto. The painting is a triptych with three narrow