RECD
Set to 7 different clues across 14 published puzzles, most often “Invoice abbr.” — The New York Times, Saturday, 14 February 2009.
4 letters
Every clue on record, most used first
- Invoice abbr.4 times
The New York Times — Saturday, 14 February 2009
- Shipping dept. stamp3 times
The New York Times — Tuesday, 20 April 2010
- Office stamp2 times
The New York Times — Friday, 7 August 2009
- In-basket stamp: Abbr.2 times
The New York Times — Sunday, 25 January 2004
- Bank stamp abbr.once
The New York Times — Wednesday, 27 July 2005
- Office stamp abbr.once
The New York Times — Sunday, 29 June 2003
- Invoice stamponce
The New York Times — Wednesday, 7 June 2000