Vintage Hippopotamus T-Shirt Design with Starry Night

A design for a t-shirt showcasing a hippopotamus illustrated in an old-fashioned woodcut style, featuring detailed lines and shading. The hippopotamus ambles across a celestial backdrop dotted with stars and dual moons. The image is encased within a detailed circular border, enhancing its antique charm. The palette of blue and white evokes the essence of a nocturnal sky, with the design set against a transparent background.