Enter a clue or pattern or both:
The Clue
Identifying devices (9 letter answer)
The Answer
HALLMARKS
Tags
Notes
The answer HALLMARKS is so rare that it appears less than once every 2500 puzzles.
Definition
HALLMARK as a noun:
1. (hallmark, trademark, earmark, stylemark) = a distinctive characteristic or attribute
2. (authentication, hallmark, assay-mark) = a mark on an article of trade to indicate its origin and authenticity