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 {TAIL ~ 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 {HEAD ~ the thickness} of the thickest of the plurality of sheets; and 
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 { TAIL ~ 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 { HEAD ~ the thickness } of the thickest of the plurality of sheets ; and
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