The ornamental design for a goblet, as shown, and described.
FIG. 1 is a front side elevational view of a goblet showing our new design,
the rear side and right and left sides being identical in appearance
therewith.
FIG. 2 is a top plan view thereof; and
FIG. 3 is a bottom plan view thereof.
The stippled shading on the stem of our new design for a goblet represents
a texture contrast.