<Tr> <Th> </Th> <Td> 61.6 cm × 45.1 cm (24.3 in × 17.8 in) </Td> </Tr> <Tr> <Th> Location </Th> <Td> National Gallery, London </Td> </Tr> <P> The Portrait of Doge Leonardo Loredan is a painting by the Italian Renaissance master Giovanni Bellini, dating from 1501 . It is on display in the National Gallery in London . It portrays Leonardo Loredan, Doge of Venice from 1501 to 1521, in his ceremonial garments with the corno worn over a linen cap, and is signed IOANNES BELLINVS on a cartellino . </P> <P> Leonardo Loredan was the Doge of Venice from 1501--21 . In Bellini's painting he is shown wearing his robes of state . The hat and ornate buttons are part of his official wardrobe . The sitter can be identified as Doge Loredan by comparing his features with portrait medals of him . The shape of the hat comes from the hood of a doublet . It is called a corno ducale and was a type of ducal hat, worn over a linen cap . The painting is part of a Venetian tradition of painting formal portraits of the City's rulers dressed in state robes . It is painted in the style of the sculpted portrait busts popular at the time . These were often inspired by Roman sculpture . Bellini signed his name in its Latin form, IOANNES BELLINVS on the cartellino, or "small paper", on the parapet . He was famous for his portraiture and helped make this art form especially popular in Venice . </P>

When was the portrait of doge leonardo loredan painted