e/Signed overpunch

Information
has gloss	eng: A signed overpunch is a code used to store the sign of a number by changing the last digit. It was used in old punched card systems and was carried over to COBOL, especially when using EBCDIC. Its purpose is to save a character that would otherwise be used by the sign digit.
lexicalization	eng: Signed overpunch
instance of	e/Data collection