positioning a punch having a punch end sized to fit within the die recess adjacent the second side of the overlap region aligned coaxially with the die recess, said punch having a coining face overlying the die face and a plurality of cutting edges formed on the punch end for cooperating with the die cutting edges and spaced therefrom by a clearance distance C which exceeds 0.08 times the thickness of the thickest of {HEAD ~ the plurality} of {TAIL ~ sheets}; and 
of
positioning a punch having a punch end sized to fit within the die recess adjacent the second side of the overlap region aligned coaxially with the die recess , said punch having a coining face overlying the die face and a plurality of cutting edges formed on the punch end for cooperating with the die cutting edges and spaced therefrom by a clearance distance C which exceeds 0.08 times the thickness of the thickest of { HEAD ~ the plurality } of { TAIL ~ sheets } ; and
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