Wiktionary
second sheet
n. A sheet of paper on which a carbon copy is typically make.
Usage examples of "second sheet".
She sat down on the cushion beside Craig, reached across and turned to the second sheet.
In the irritated state of my curiosity, at that moment, I laid aside the second sheet of paper in despair.
Then the President took from the mantelpiece a second sheet of paper, which he also burned.
The second sheet was an elevation of an entirely different building.
The second sheet he folded and placed in the top pocket of his jacket.