Filed from 2 published puzzles

YESWEREOPEN

Set to 2 different clues across 2 published puzzles, most often “Store sign” — The New York Times, Saturday, 10 January 2004.

11 letters

Every clue on record, most used first

Store signonce
The New York Times — Saturday, 10 January 2004
Flip side of 7-Downonce
The New York Times — Saturday, 16 August 1997

Other answers to these clues

ONSALE6 letters
OPEN4 letters
SALE4 letters