"Ir-45-4" by Stanley Casselman is an acrylic on canvas work that exemplifies the artist's dynamic approach to abstract painting, characterized by bold gestural mark-making and a vibrant interplay of color and texture. Casselman's energetic application of paint creates a sense of movement and depth, inviting the viewer to explore the layered complexity of the composition. The work reflects his ongoing investigation into the expressive potential of the painting process itself.