COUNTERFOILS
Noun
counterfoils
plural of counterfoil
Source: Wiktionary
COUNTERFOIL
Coun"ter*foil` (-foil), n. Etym: [Counter- + foil a leaf.]
1. That part of a tally, formerly in the exchequer, which was kept by
an officer in that court, the other, called the stock, being
delivered to the person who had lent the king money on the account; -
- called also counterstock. [Eng.]
2. The part of a writing (as the stub of a bank check) in which are
noted the main particulars contained in the corresponding part, which
has been issued.
Source: Webster’s Unabridged Dictionary 1913 Edition