The ornamental design for glass lamp shade, as shown and described.
FIG. 1 is a side elevational view of a glass lamp shade showing my new
design;
FIG. 2 is a side elevational view thereof, as turned 60 degrees from the
position shown in FIG. 1;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof.
The glass is clear in the vertically striated quadrilateral area near the
bottom of the glass, in the V-shaped striated area, and the annular ring
of striations near the top, and is frosted in the remaining non-striated
areas as represented by stippling in the non-striated areas.