GUSTAV V: (1858-1950) King of Sweden 1907-50. A bold, dark fountain pen ink signature ('Gustav R, Konig von Schweden') to the centre of an 8vo page removed from an album, dated Rome, 3rd April 1928 in his hand. Also signed by Victoria of Baden (1862-1930) Queen consort of Sweden 1907-30, wife of King Gustav V, in bold black fountain pen ink at the head of the page, adding her title and the date, Rome, 6th December 1926 in her hand. Further signed by Gustav VI Adolf (1882-1973) King of Sweden 1950-73, in black fountain pen ink, as Crown Prince, and also dated Rome, 3rd April 1928 in his hand. The page is also signed to the verso by five other members of European Royal families including Prince Knud of Denmark (1900-1976) Hereditary Prince of Denmark, son of King Christian X; Prince Erik, Count of Rosenborg (1890-1950) Danish Prince, son of Valdemar of Denmark; Princess Martha of Sweden (1901-1954) Crown Princess of Norway, wife of the future King Olav V; Prince Paul of Yugoslavia (1893-1976) Prince Regent of the Kingdom of Yugoslavia during the minority of King Peter II, signed as Prince of Serbia; Prince Amedeo (1898-1942) Duke of Aosta, the Italian Viceroy of Italian East Africa during World War II who surrendered to the British with honours of war in May 1941 and was subsequently interned in a prisoner of war camp in Kenya where he died at the age of 43. Together with Gustav VI Adolf (1882-1973) King of Sweden 1950-73. Fountain pen ink signature ('Gustav Adolf, Prince Royal de Suede') on an 8vo page removed from an album, dated Stockholm, 17th May 1916 in his hand. Some very light, extremely minor age wear and a slight tape stain to the edges of one page, VG, 2 Provenance: The present pages were removed from the personal album of Baron Robert Stuker (1863-1940) Swiss historian, interpreter, diplomat and educator, a language specialist who was appointed tutor at the Greek Royal Court under King George I. Stuker was later appointed as Royal Chamberlain, Court Librarian and Personal Secretary to the King. Stuker accompanied members of the Greek Royal family on trips, took on sensitive diplomatic missions and became the King's advisor. Following his service with the Greek Royal family, Pope Pius XI appointed the Reformed Protestant Stuker as master of ceremonies and interpreter at the Vatican in 1924, posts he was to hold until 1935. In later years the album was added to whilst in the custody of Jurg Stuker (1914-1988) Swiss antiquarian bookseller and founder of the Stuker auction house in Bern, stepson of Robert Stuker.