FIG. 1 is a perspective view of a design for a stamp showing my new design;
FIG. 2 is a front elevation thereof;
FIG. 3 is a side elevation thereof, the side opposite being a mirror image;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
The broken line showing of the environment in the figure drawings is for illustrative purposes only and forms no part of the claimed design.