Last seen in:
- Wall Street Journal - Sep 25 2019 - Great Escapes
- Wall Street Journal - Nov 12 2018 - Escape Hatch
- Wall Street Journal - Oct 19 2017 - Contortions
- USA Today - Dec 31 2016
- Wall Street Journal - Aug 23 2016 - Secret Identity
- New York Times - Aug 2 2016
- Newsday.com - Mar 30 2016
- Canadiana - Jan 25 2016
- L.A. Times Daily - Dec 21 2014
- L.A. Times Daily - Jan 21 2014
Related Clues:
- Abbr. before a name on an envelope
- Letters directing letters
- Envelope letters
- Like an SASE, often
- Cover-letter letters
- Something inside an envelope: Abbr.
- Abbr. indicating to whom it may concern
- Ltr.-routing aid
- Letters that help a letter sorter
- To on a fax
- Compton's, for one: Abbr.
- SASE, often
- Mailers shorthand
- Letters on business letters
- Letter routing abbr.