The ornamental design for a stampdispenser, as shown and described.
FIG. 1 is a perspective view of a stamp dispenser of the present invention, illustrating the stamp dispenser in a closed position and as holding a roll of stamps, the broken lines showing the roll of stamps for illustrative purposes only and forming no part of the claimed design;
FIG. 2 is a front elevational view of the invention, illustrating the stamp dispenser in the closed position;
FIG. 3 is a rear elevational view of the invention, illustrating the stamp dispenser in the closed position;
FIG. 4 is a right-side elevational view of the invention, illustrating the stamp dispenser in the closed position, the left-side elevational view being a mirror image thereof;
FIG. 5 is a top plan view of the invention, illustrating the stamp dispenser in the closed position;
FIG. 6 is a bottom plan view of the invention, illustrating the stamp dispenser in the closed position;
FIG. 7 is a perspective view of the invention, illustrating the stamp dispenser in an open position;
FIG. 8 is a perspective view of the invention, illustrating the stamp dispenser in the open position; and,
FIG. 9 is a right-side elevational view of the invention, illustrating the stamp dispenser in the open position, the left-side elevational view being a mirror image thereof.