Am Steinhof Church, Design for the Left Side Altar Our Lady of Mercy by Koloman Moser is a striking design for the left side altar of the Steinhof Church. The design features Moser's characteristic style, with intricate patterns and a harmonious color scheme that reflect his expertise in Art Nouveau design.

The altar design showcases Moser’s ability to combine functional religious art with aesthetic elegance, contributing to the overall grandeur of the Steinhof Church’s interior.