| 2024-03-17 | Mail insert: Abbr. |
| 2016-08-02 | Business letter abbr. |
| 2013-03-19 | Env. within an env., perhaps |
| 2012-12-05 | S.A.S.E., e.g.: Abbr. |
| 2012-08-23 | Abbr. on a business letter |
| 2012-07-28 | Check within, say?: Abbr. |
| 2012-06-06 | Abbr. on the bottom of a business letter |
| 2011-04-27 | Return envelope, e.g.: Abbr. |
| 2011-04-21 | Abbr. at the bottom of a letter |
| 2010-12-28 | Bottom-of-letter abbr. |
| 2009-11-12 | Unsolicited MS., perhaps |
| 2009-02-07 | Letter abbr. |
| 2007-09-02 | Bottom-of-letter abbr. |
| 2006-10-01 | Bottom-of-letter abbr. |
| 2006-09-23 | Check inside?: Abbr. |
| 2006-08-01 | S.A.S.E., e.g.: Abbr. |
| 2005-01-17 | Letter accompanier: Abbr. |
| 2004-05-25 | Abbr. at the bottom of a business letter |
| 2003-11-16 | Abbr. at the bottom of a business letter |
| 2003-06-04 | S.A.S.E., e.g. |
| 2002-08-14 | Abbr. on a business letter |
| 2002-06-23 | Business letter abbr. |
| 2002-05-30 | Letter abbr. |
| 2000-12-11 | Abbr. on a business letter |
| 1999-06-07 | A check, one might hope: Abbr. |
| 1997-04-03 | Postal letters? |
| 1995-04-02 | Env. stuffer |