The ornamental design for a emblem for an installationsurface or the like, as shown and described.
The FIGURE is a face view of an emblem for an installation surface or the like showing my new design. The rear is plain. The emblem for an installation surface or the like is flat, The emblem for an installation surface or the like is shaded to indicate color with the shading representing contrasting colors with no particular color scheme forming part of the claimed design.