The ornamental design for an extrusion for pylonsign, as shown and described.
FIG. 1 is a perspective view of an extrusion for pylon sign showing my new
design, the center of the extrusion for pylon sign being broken away to
indicate indeterminate length;
FIG. 2 is a top plan view, the bottom being a mirror image thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a right side elevational view, the left side being a mirror image
thereof; and