The ornamental design for the edge of a tabletop, as shown and described.
FIG. 1 is a top perspective view of the first embodiment of an edge of a table top showing my new design.
FIG. 2 is a fragmentary top perspective cross sectional view along lines 2-2 of FIG. 1.
FIG. 3 is a fragmentary bottom perspective view of the edge of a table top as shown in FIG. 2.
FIG. 4 is side view of the edge of a table top as shown in FIG. 2.
FIG. 5 is a top perspective view of the second embodiment of an edge of a table top showing my new design.
FIG. 6 is a fragmentary top perspective cross sectional view along lines 6-6 of FIG. 5.
FIG. 7 is a fragmentary bottom perspective view of the edge of a table top as shown in FIG. 6; and,
FIG. 8 is side view of the edge of a table top as shown in FIG. 6.
The broken line portion of the figure drawings is included to show portions of the article that forms no part of the claimed design. The dash-dot broken line portion of the figure drawings define the bounds of the claimed design and form no part thereof.