The invention relates to a mounting device (1) for connecting a stamp plate (7) to a stamp plate carrier (8) arranged, preferably in a movable manner, in a stamp housing (18), having a preferably plate-like base (2) and having at least one orienting element (4) arranged on a top side (3) of the base (2), the orienting element (4) delimiting a receiving region (5) for a stamp plate (7), the dimensions of which correspond approximately to those of an impression side (10) of the stamp plate carrier (8).