as the second-oldest national constitution in the world, was drafted here. The decorations in the room are replicas of the originals by Giovanni Battista di Quadro. The Royal Apartments In these apartments, King Stanisław Augustus Poniatowski lived. They consist of the Canaletto room, in which several painted views of Warsaw are on display. These were not painted by Canaletto, but rather by his nephew, Bernardo Bellotto also called il Canaletto. Jean-Baptiste Pillement worked between 1765 and 1767 on one of his largest projects, the wallpaper. Domenico Merlini designed the adjacent Royal Chapel in 1776. Nowadays, the heart of Tadeusz Kościuszko is kept here in an urn. The Audience Rooms are also designed by Merlini, with four paintings by Marcello Bacciarelli on display. Andrzej Grzybowski took care of the restoration of the room, that included many original pieces. Lanckoroński Collection In 1994 Countess Karolina Lanckorońska donated 37 pictures to the Royal Castle. Collection includes two paintings (portraits) by Rembrandt: The Father of the Jewish Bride (also known as The Scholar at the Lectern) and The Jewish Bride (also known as The Girl in a Picture Frame) both originally in the Stanisław Augustus Poniatowski collection. In December 2018, the Castle acquired a violin created by Antonio Stradivari in 1685. To commemorate the 100th anniversary of Poland regaining its independence, the instrument was officially given the name Polonia. The virtuoso violinist Jerzy Wawrowski is the only person who is allowed to play on the instrument. In December 2018, a painting by Marcello Bacciarelli titled Portrait of Jerzy Mniszech with Daughter Elizabeth and Kiopek (1795), which was considered missing, was returned to the Castle's collections. Gallery Copper-Roof Palace The Copper-Roof Palace has since 1989 been a branch of the Royal Castle Museum. The palace is contiguous with Warsaw's Royal Castle, and down a slope from the Castle Square and Old Town. It was originally a patrician house of Wawrzyniec Reffus, it was built 1651–1656. After 1657 destruction by the army of George II Rákóczi, it was completely remodeled in 1698–1701 for Jerzy Dominik Lubomirski. Lubomirski expanded the palace by building a southern wing, perpendicular to the rest of structure, and also expanded the western elevation. Shortly after its construction the palace became known as Palais Martin, after Lubomirski's grandson. In 1720 the palace was rebuilt with an addition of a second northern wing. Additionally the interior was decorated with rococo paintings. After 1777 the