This illustration depicts a majestic white unicorn captured in a dynamic, rearing pose. The creature features a long, spiraled horn that points upward, and its flowing mane and tail are rendered with elaborate, swirling curls that give the image a whimsical, ethereal quality. Around its neck, the unicorn wears a decorative, textured golden collar that adds a touch of regal elegance to its appearance.
Set against a pale blue sky filled with soft, rounded white clouds, the unicorn is positioned partially behind a bold, prominent rainbow. The rainbow arches gracefully from the lower left to the upper center of the frame, providing a sharp, vibrant contrast to the muted pastel tones of the rest of the scene. The composition is balanced and dreamlike, with the unicorn’s upward gaze and posture drawing the viewer's eye toward the apex of the rainbow.
The artwork uses a classic illustrative style characterized by fine, delicate linework and soft shading. The colour palette is dominated by the light blues and whites of the sky and the creature's coat, which makes the brilliant red, orange, yellow, green, and violet hues of the rainbow stand out vividly. The overall mood is one of fantasy, peace, and enchantment, evocative of vintage storybook art.