a sea-horse The Duke says this bronze statue was specially made for him by Claus of Innsbruck a famous sculptor He calls it a rarity which means a very special and expensive piece So these lines show the Duke s pride love of power and need for control Neptune is a powerful god and the sea-horse is a small weak animal The statue shows Neptune forcing the sea-horse to obey him This is just ike the Duke wanted to control his last Duchess So the statue is a symbol of the Duke himself He compares himself to a god who controls others By mentioning the artist s name and his demand the statue was made only for me he also shows his wealth high status and pride in art as his property So in these lines the Duke reveals that he sees art women and people as objects to own and control To the wealthy powerful people like the Duke a beautiful piece of artwork can only be an object to show domination