ENCS

6 recorded uses

Date	Clue
2012-08-04	Accompaniers of cover letters: Abbr.
2009-03-30	Letter attachments: Abbr.
2007-06-17	Abbr. at the bottom of a business letter
2005-05-20	Ltr. extras
2004-06-27	Letter attachments: Abbr.
2001-02-10	Env. contents