That is a handcrafted pottery piece. It’s a classic sponge ware piggy bank formed like a literal pig sitting down on 4 legs which has a cork in The underside. The body is painted in combined shades of blue and white, Pretty much resembling a marble design and style. https://brandedaccessoriesfrom145689.blogdigy.com/getting-my-prince-william-ware-piggy-bank-to-work-33387221