2" X 2 7/8" (49mm X 70mm)

.

(skirt ink stamp) IMEC 

{IMEC}

Picture courtesy Bob Scafe

2 1/8" X 3" (52mm X 73mm)

.

(shoulder ink stamp) IMEC 

{IMEC}

Picture courtesy Bob Scafe

2" X 3" (50mm X 73mm)

(ear top ink stamp)  

{Richard Ginori}

Picture courtesy Bob Scafe