Related Clues:
- Hardly a celebrity
- Alphabet unit
- Athletic honor
- Beth, for one
- Missive
- Honor stitched to some jackets
- Thorn, once
- Envelope's contents, often
- Epistle
- Bit of comic strip text
- Varsity member's prize
- With 9-Across, post office mail slot ... or a hint to this puzzle's theme
- Love __
- 'Sesame Street' sponsor?
- Red ____ day