article_snippet: The items, which range from a £3.5million painting of Venice's Grand Canal by Bernardo Bellotto to a £1.2million portrait of Henry VIII, are from a private collection of Castle Howard in North Yorkshire.
article_snippet: It was painted by Bernardo Bellotto ( when he was just 16-years-old, at a time when he was working in the studio of he uncle - Italian painter Canaletto .
article_snippet: However, the most expensive piece is the artwork of Venice's Grand Canal by Bernardo Bellotto, who was the pupil and nephew of Canaletto, which has an estimated value of £3.5million.
article_snippet: Another sought-after item is the portrait of Henry VIII from the studio of acclaimed court painter Hans Holbein, which shows the monarch standing in a rich red coat and carrying his gold sceptre.
article_snippet: Other lots in The collection include Ferdinand Bol's Portrait of a Boy, which has an estimate of between £2million and £3million, and a Roman Egyptian vase which has a guide price of up to £600,000.
article_snippet: Other items to be sold at auction include a 1542 portrait of Henry VIII from the studio of Hans Holbein, which is expected to fetch up to £1.2million (right). 
article_snippet: A 17th Century Dutch painting - Ferdinand Bol’s Portrait of a Boy
article_snippet: A white marble bust of Anne of Austria, Wife of Louis XIII, from France in the mid-17th Century has a guide price of between £50,000 to £70,000 .
highlights_snippet: Collection includes a £3.5m painting of Venice's Grand Canal by Bernardo Bellotto and £1.2m portrait of Henry VIII .