In Ontwerp van het vaantje van Mirakuleus beeld van den Zaligmaker, Alfred Ost presents a vibrant scene filled with rich colors. The painting features figures gathered in a religious setting, likely during a pilgrimage. The characters are depicted in traditional attire, suggesting a historical context.

The background showcases a landscape that enhances the spiritual atmosphere of the gathering. The painting is executed in oil on canvas, a medium that allows for deep color saturation and texture. Viewers can observe Ost's attention to detail in the clothing and expressions of the figures. The composition is balanced, drawing the eye towards the central action of the pilgrimage.

The use of light and shadow adds depth to the scene, creating a sense of movement. Alfred Ost was a Belgian artist known for his depictions of everyday life and religious themes. This particular work reflects his interest in the cultural practices of his time, especially in relation to pilgrimage. An interesting fact about this painting is that it was created during a period when religious pilgrimages were experiencing a revival in Belgium.

Ost's ability to capture the essence of these gatherings makes this piece significant in understanding the social context of his era.