Stamp Printer

FIG. 1 is a front, left, and top perspective view of a stamp printer showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a right side elevation view thereof.

The broken lines depict portions of the article that form no part of the claimed design.