2 3/4" X 3 7/8" (67mm X 95mm)

 (upper skirt incuse)

{Hescho}

Picture courtesy Bob Berry

2 3/4" X 3 7/8" (69mm X 95mm)

 (dome inkstamp)

{Lorenz Hutschenreuther}

Picture courtesy Bob Berry

2 3/4" X 3 5/8" (69mm X 93mm)

 (dome inkstamp)

{Stockhardt & Schmidt}

Picture courtesy Bob Berry