Related Clues:
- Mailers shorthand
- Letters on business letters
- Letter routing abbr.
- Letter-bottom abbr.
- Letter-routing abbr.
- Envelope shortening
- Letter-bottom letters
- Letter-routing letters
- Env. inside an env., e.g.
- Memo header, for short
- Envelope abbreviation
- It's in an env.
- Letters on many business letters
- Abbr. under an address
- Ltrs. in a letter